Search Results: Pyrones

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Pyrone
Selasa, 2026-05-12 02:00:39

4-pyrone (or γ-pyrone) structure is an ether–ketone found in some natural chemical compounds such as chromone, maltol and kojic acid. 3-pyrones are zwitterionic...

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2-Pyrone
Kamis, 2025-11-20 03:07:04

is a method for the alkylation of certain pyrones with acid chlorides.[citation needed] The parent 2-pyrone can be produced from decarboxylation of coumalic...

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4-Pyrone
Kamis, 2025-11-20 03:06:15

; Alessi, J. T.; Chie Chang, S.; C. Joines, R. (1971). "Reactions of 4-pyrones with primary amines. A new class of ionic associates". Journal of Heterocyclic...

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Pyrylium
Selasa, 2026-05-12 02:04:57

2-Pyrones are known to react with alkynes in a Diels–Alder reaction to form arene compounds with expulsion of carbon dioxide. For example: 3-pyrones are...

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Kojic acid
Sabtu, 2026-06-27 05:25:23

organic compound with the formula HOCH2C5H2O2OH. It is a derivative of 4-pyrone that functions in nature as a chelation agent produced by several species...

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Urolithin A
Kamis, 2026-07-30 09:51:21

to the class of organic compounds known as benzo-coumarins or dibenzo-α-pyrones. Its precursors – ellagic acids and ellagitannins – are ubiquitous in nature...

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6-Amyl-α-pyrone
Rabu, 2024-01-17 18:09:13

branched diols as polymer precursors from biomass-derived lactones and 2-pyrones". Materials Science for Energy Technologies. 5: 1–5. Bibcode:2022MSET....

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Verrucosidin
Kamis, 2025-06-19 05:21:47

Verrucosidin is a toxic pyrone-type polyketide produced by Penicillium aurantiogriseum, Penicillium melanoconidium, and Penicillium polonicum. Frisvad...

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Isocoumarin
Rabu, 2021-06-02 23:13:15

Isocoumarin (1H-2-benzopyran-1-one; 3,4-benzo-2-pyrone) is a lactone, a type of natural organic compound. Thunberginol A and B dihydroisocoumarins Hydrangenol...

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1,3-Dipolar cycloaddition
Rabu, 2026-06-10 12:54:36

hydroxy-3-pyrones in the absence of a metal catalyst. An initial tautomerization occurs, followed by elimination of the leaving group to aromatize the pyrone ring...

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Firefly
Selasa, 2026-08-11 18:03:44

fireflies are distasteful to vertebrate predators, as they contain the steroid pyrones lucibufagins, similar to the cardiac stimulant bufadienolides found in...

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Kava
Minggu, 2026-08-02 03:39:31

import of "Piper methysticum (kava-kava), the active constituents of; kava pyrones (kavalactones); their quaternary compounds; their salts" remains banned...

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C5H4O2
Sabtu, 2025-10-25 16:17:33

refer to: Furfural (2-furaldehyde) 3-Furaldehyde Protoanemonin Pyrones 2-Pyrone 4-Pyrone This set index page lists chemical structure articles associated...

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Triacetic acid lactone
Senin, 2026-03-02 17:40:00

Roser (1992). "Dehydroacetic Acid, Triacetic Acid Lactone, and Related Pyrones". Advances in Heterocyclic Chemistry. 53: 1–84. doi:10.1016/S0065-2725(08)60861-2...

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Maltol
Kamis, 2025-11-20 03:03:37

soluble in hot water and other polar solvents. Like related 3-hydroxy-4-pyrones such as kojic acid, it binds to hard metal centers such as Fe3+, Ga3+,...

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Janis Louie
Selasa, 2026-02-10 02:02:06

2-pyrones. She would use carbon dioxide mixed with different diynes to prepare different 2-pyrones. The simple reaction for the formation of 2-pyrones is...

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Malic acid
Kamis, 2026-08-06 15:38:18

Self-condensation of malic acid in the presence of fuming sulfuric acid gives the pyrone coumalic acid: 2 HO2CCH(OH)CH2CO2H → HO2CC4H3O2 + 2 CO + 4 H2O Carbon monoxide...

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Coumalic acid
Kamis, 2025-11-20 03:08:03

fuming sulfuric acid: Wiley, Richard H.; Knabeschuh, Louis H. (1955). "'2-Pyrones. XIII. The Chemistry of Coumalic Acid and its Derivatives". Journal of...

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4-Pyridone
Sabtu, 2024-06-15 01:14:40

; Alessi, J. T.; Chie Chang, S.; C. Joines, R. (1971). "Reactions of 4-pyrones with primary amines. A new class of ionic associates". Journal of Heterocyclic...

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Phloroglucinol synthase
Rabu, 2026-04-08 07:02:23

aliphatic acyl-CoAs and phenylacetyl-CoAs, yielding polyoxoalkylated alpha-pyrones by condensation with malonyl-CoA. The enzyme catalyzes the following reaction...

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Lauraceae
Kamis, 2026-08-20 06:28:17

S-methyl-5-O-flavonoids, proanthocyanidins, cinnamoylamides, phenylpyrroles, styryl pyrones, polyketides (acetogenins), furanosesquiterpenes, and germacranolidous...

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Port wine
Rabu, 2026-08-19 22:26:11

and oxovitisin A, an oxovitisin, a type of pyranoanthocyanin with a 2-pyrone component. Wine portal List of Portuguese wine regions Madeira wine Port...

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Kavain
Kamis, 2026-08-06 14:47:16

Karin; Bingmann, Dieter; Von Wegerer, Jörg; Walden, Jörg (2001). "Kava pyrones exert effects on neuronal transmission and transmembraneous cation currents...

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Mucic acid
Jumat, 2026-06-19 19:49:30

yields oxalic acid. With potassium bisulfate mucic acid forms 3-hydroxy-2-pyrone by dehydration and decarboxylation. Mucic acid can be used to replace tartaric...

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Hispidin
Sabtu, 2025-09-06 07:55:10

-hydroxy-2H-pyran-2-one Other names 6-(3,4-Dihydroxystyryl)-4-hydroxy-2-pyrone Identifiers CAS Number 555-55-5 Y 3D model (JSmol) Interactive image Interactive...

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Glycoside
Jumat, 2026-02-27 19:20:09

Psoralea corylifolia. In this case, the aglycone is called benzo-gamma-pyrone. In this case, the aglycone contains a cyanohydrin group. Plants that make...

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Δ-Decalactone
Sabtu, 2025-11-22 02:56:21

delfone. From biomass, it can be produced via the hydrogenation of 6-pentyl-α-pyrone. DDL has applications in food, polymer, and agricultural industries to formulate...

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Enterocin
Rabu, 2026-07-08 08:31:32

Enterocin and its derivatives are bacteriocins synthesized by the lactic acid bacteria, Enterococcus. This class of polyketide antibiotics are effective...

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2-pyrone-4,6-dicarboxylate lactonase
Senin, 2026-08-10 18:57:59

2-pyrone-4,6-dicarboxylate lactonase (EC 3.1.1.57, LigI) is an enzyme that catalyzes the reversible hydrolytic reaction 2-oxo-2H-pyran-4,6-dicarboxylic...

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Gymnopilus junonius
Senin, 2026-03-16 09:32:43

bis-noryangonin and hispidin, which are structurally related to alpha-pyrones found in kava. It also contains neurotoxins known as oligoisoprenoids,...

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Retro-Diels–Alder reaction
Jumat, 2026-02-06 20:22:50

dienophile released during rDA reactions. Diels–Alder adducts of alkynes and 2-pyrones can undergo rDA to release carbon dioxide and generate aromatic compounds...

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Dehydroacetic acid
Jumat, 2022-10-28 02:35:57

which has several industrial applications. The compound is classified as a pyrone derivative. It presents as an odorless, colorless to white crystalline powder...

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Gymnopilus
Jumat, 2026-08-07 19:24:13

bis-noryangonin [4-hydroxy-6-(4-hydrostyryl)-2-pyrone] and hispidin, which are closely related to the alpha-pyrones found in kava. A 2003 phylogenetic study...

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Apigenin
Sabtu, 2026-06-13 20:37:32

to chalcone. Chalcone isomerase then isomerizes the product to close the pyrone ring to make naringenin. Finally, a flavanone synthase enzyme oxidizes naringenin...

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Aspergillus eucalypticola
Minggu, 2025-08-17 01:57:11

produce pyranonigrin A, funalenone, aurasperone B and other naphtho-γ-pyrones. The genome of A. eucalypticola was sequenced and published in 2014 as...

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Vicadrostat
Rabu, 2026-08-19 14:44:48

Vicadrostat is also known by a number of code names; one of the best known is BI 690517. This is an experimental low-molecular-weight drug which acts as...

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2H
Selasa, 2025-11-25 02:11:51

Pyran 2H-1-benzopyran, a form of Benzopyran 2H-pyran-2-one, a form of 2-Pyrone 2H, a type of Toyota H engine 2H, a type of Volkswagen EA827 engine Douglas...

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Macrophomic acid
Selasa, 2021-09-07 17:58:30

The enzyme macrophomate synthase converts 5-acetyl-4-methoxy-6-methyl-2-pyrone to 4-acetyl-3-methoxy-5-methyl-benzoic acid (macrophomic acid) through an...

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Coeloginin
Jumat, 2024-01-19 23:11:37

Himalayan orchid Coelogyne cristata. This molecule has a phenanthro[4,5-bcd]pyrone structure. Majumder, Priyalal; Bandyopadhyay, Debabrata; Joardar, Subhendu...

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EXP-561
Senin, 2026-06-15 10:57:12

EXP-561 is made from a chemical that is called 3-carboethoxy-6-phenyl-2-pyrone [6465-14-1]. The disadvantage of this method is that it needed to be heated...

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Diels–Alder reaction
Senin, 2026-08-10 14:29:26

the total synthesis of taxol. The intermolecular reaction of the hydroxy-pyrone and α,β–unsaturated ester shown below suffered from poor yield and regioselectivity;...

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Stizolobic acid
Senin, 2026-03-02 19:04:22

6-semialdehyde. The intermediate readily cyclises and further oxidises, forming a 2-pyrone ring; this is stizolobic acid, which is the product that is isolated and...

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Himeic acid A
Minggu, 2025-06-01 05:02:04

Himeic acid A is a substance with chemical formula C22H29NO8. Tsukamoto, Sachiko; Hirota, Hiroshi; Imachi, Misako; Fujimuro, Masahiro; Onuki, Hiroyuki;...

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ATP synthase
Selasa, 2026-08-11 17:09:58

polyphenolic phytochemicals, polyketides, organotin compounds, polyenic α-pyrone derivatives, cationic inhibitors, substrate analogs, amino acid modifiers...

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4-oxalmesaconate hydratase
Senin, 2025-07-21 20:38:40

hydroxylation. Maruyama K (February 1983). "Purification and properties of 2-pyrone-4,6-dicarboxylate hydrolase". Journal of Biochemistry. 93 (2): 557–65. doi:10...

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Chelidonic acid
Senin, 2026-02-09 10:37:53

from diethyl oxalate and acetone: Chelidonic acid is used to synthesize 4-pyrone via thermal decarboxylation. Chelidonic acid is one of the most potent inhibitors...

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Piromelatine
Minggu, 2025-12-21 17:46:09

Piromelatine (Neu-P11) is a multimodal sleep drug under development by Neurim Pharmaceuticals. It is an agonist at melatonin MT1/MT2 and serotonin 5-HT1A/5-HT1D...

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Khellin
Selasa, 2026-03-03 12:29:13

odorless, bitter-tasting needle-shaped crystals and is classified as a gamma-pyrone, a furanochromone derivative. In the early 20th century, researchers searched...

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Cyclophane
Kamis, 2026-08-06 15:32:05

anticancer drug it is also available from total synthesis via an alkyne - pyrone Diels-Alder reaction in the crucial step with expulsion of carbon dioxide...

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Withanolide
Kamis, 2025-06-19 04:59:33

Withanolides are a group of at least 300 naturally occurring steroids built on an ergostane skeleton. They occur as secondary metabolites primarily in...

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Chromone
Senin, 2025-07-07 10:38:11

Other names 4-Chromone; 1,4-Benzopyrone; 4H-Chromen-4-one; Benzo-gamma-pyrone; 1-Benzopyran-4-one; 4H-Benzo(b)pyran-4-one Identifiers CAS Number 491-38-3 Y...

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Grevilline
Senin, 2026-05-18 05:46:11

Grevillines (also spelled grevillins) are a group of natural chemical pigments found in certain fungi, notably the tamarack jack mushroom (Suillus grevillei)...

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Pyran
Senin, 2026-05-25 04:14:11

system are known as pyranoses. Benzene Pyranose Furan Furfural Pyridine Pyrone Thiopyran "Blue Book chapter P-2, section P-22.2.2.1.1". iupac.qmul.ac.uk...

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Penicillium corylophilum
Rabu, 2025-10-22 12:05:07

McMullin, D. R.; Nsiama, T. K.; Miller, J. D. (2014). "Isochromans and α-pyrones from Penicillium corylophilum". Journal of Natural Products. 77 (2): 206–12...

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Massoia lactone
Sabtu, 2026-07-04 04:45:01

can be obtained as a minor product in transfer hydrogenation of 6-amyl-α-pyrone. Known in the late 18th and early 19th centuries as massoy bark, massoia...

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Myxopyronin
Kamis, 2026-05-07 22:36:40

Myxopyronins (Myx) are a group of alpha-pyrone antibiotics, which are inhibitors of bacterial RNA polymerase (RNAP). They target switch 1 and switch 2...

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Brown-banded cockroach
Rabu, 2026-06-17 08:25:06

pheromone for the brownbanded cockroach is an unusual dialkyl-substituted alpha-pyrone". Proceedings of the National Academy of Sciences. 90 (21): 10202–10205...

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2-Furanone
Kamis, 2026-08-06 15:26:01

maple syrup. Category:Furanones, various substituted structural analogs Pyrone, which has one more carbon atom in the ring Sigma-Aldrich Chemicals Product...

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Huperzine A
Jumat, 2026-08-07 20:46:12

Huperzine A, a Lycopodium alkaloid, was first isolated in 1983 from Huperzia serrata, a plant used in Chinese folk medicine. Huperzine A also exists in...

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Polyketide
Rabu, 2026-08-12 00:13:52

orcinol by heating dehydracetic acid with barium hydroxide causing the pyrone ring to open into a triketide. Further studies in 1903 by Collie on the...

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Germicidin
Selasa, 2026-08-11 01:11:00

Germicidins are a groups of natural products arising from Streptomyces species that acts as autoregulatory inhibitor of spore germination. In Streptomyces...

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Sibudu Cave
Jumat, 2026-07-24 11:30:09

(Cryptocarya woodii) which, when crushed, are aromatic and contain traces of α-pyrones, cryptofolione, and goniothalamin, chemicals that have insecticidal and...

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Viriditoxin
Kamis, 2026-07-16 19:31:35

selective methylation of one of the phenol groups and reduction of the pyrone ring, the resulting intermediate (semiviriditoxin) is dimerised by a laccase...

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Pogostone
Rabu, 2026-01-21 02:51:46

Pogostone or dhelwangin is a naturally occurring organic compound with the formula C12H16O4. Classified as a secondary metabolite, primarily found in patchouli...

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Oxovitisin
Senin, 2026-05-04 22:42:51

Oxovitisins are a type of pyranoanthocyanin with a pyranone (2-pyrone) component found in aged port wines. They do not contain an oxonium ion component...

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Keck asymmetric allylation
Rabu, 2026-01-28 04:46:26

a hypothesis supported by C13 NMR and IR spectroscopy studies on 2,6-γ-pyrone substrate. The most convincing evidence that the M-O rotation is restricted...

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Orcinol
Kamis, 2026-08-06 15:40:40

prepared by dehydroacetic acid, a conversion that involved ring-opening of the pyrone to a triketone. This early experiment helped establish the rich condensation...

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Δ-Octalactone
Selasa, 2025-07-15 11:58:48

δ-Octalactone is a lactone and aroma compound with a creamy cocoa, coconut, and peach flavor. Its chemical formula is C8H14O2. "Substance Name: delta-Octalactone"...

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Withaferin A
Rabu, 2026-08-12 00:52:27

Withaferin A is a steroidal lactone, derived from Acnistus arborescens, Withania somnifera and other members of family Solanaceae. It is the first member...

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DHA
Rabu, 2026-04-01 16:49:32

Dehydroascorbic acid, an oxidized form of ascorbic acid Dehydroacetic acid, a pyrone derivative used as a plasticiser, as a fungicide, as a bactericide, and...

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Phaeochromycin A
Minggu, 2025-06-01 05:22:52

Phaeochromycin A is an anti-inflammatory polyketide isolated from Streptomyces. Graziani, E. I.; Ritacco, F. V.; Bernan, V. S.; Telliez, J. B. (2005)....

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Kavalactone
Minggu, 2025-11-02 07:28:20

as ethysticin, have also been isolated. Some consist of a substituted α-pyrone as the lactone, while others are partially saturated. The average elimination...

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Psoralen
Jumat, 2026-07-24 08:15:56

four-center photocycloaddition at the pyrone end of the molecule and hence the formation of a diadduct or cross-link. Pyrone monoadducts do not absorb in the...

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Inoscavin A
Kamis, 2026-06-04 15:04:44

Inoscavin A is an antioxidant isolated from the mushroom Inonotus xeranticus. Inoscavin "KNApSAcK Metabolite Information - C00030513". www.knapsackfamily...

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Tipranavir
Minggu, 2026-05-31 23:13:31

Tipranavir (TPV) is a nonpeptidic HIV-1 protease inhibitor manufactured by Boehringer Ingelheim under the trade name Aptivus. It is used as part of combination...

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Carbon suboxide
Minggu, 2026-08-16 09:53:00

is postulated to be poly(α-pyronic), similar to the structure in 2-pyrone (α-pyrone). The number of monomers in the polymers is variable (see Oxocarbon#Polymeric...

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Benzopyrone
Senin, 2026-07-27 10:45:13

Machine. Treatment of Lymphedema of the Arms and Legs with 5,6-Benzo-[alpha]-pyrone. John R. Casley-Smith, Robert Gwyn Morgan, and Neil B. Piller Volume 329:1158-1163...

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Oxovitisin A
Kamis, 2025-09-04 00:12:48

Oxovitisin A is an oxovitisin, a type of pyranoanthocyanin with a 2-pyrone component. It is found in aged port wines. It does not contain an oxonium ion...

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Büchner–Curtius–Schlotterbeck reaction
Rabu, 2026-02-04 02:20:21

CARDIAC AGLYCONES. VI. THE ACTION OF DIAZOMETHANE ON CERTAIN DERIVATIVES OF α-PYRONE". Journal of Organic Chemistry. 6 (4): 577–583. doi:10.1021/jo01204a011...

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Interfungin
Minggu, 2025-06-01 05:24:05

Interfungins are a group of chemical compounds isolated from fungi in the genus Phellinus which have NF-κB inhibitory activities. Wu, Chang-Sheng; Lin...

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C10H14O2
Sabtu, 2025-10-25 17:48:36

The molecular formula C10H14O2 may refer to: 6-Amyl-α-pyrone 4-tert-Butylcatechol tert-Butylhydroquinone Camphorquinone Ciclotic acid Dolichodial Idramantone...

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Angustifodilactone
Jumat, 2025-06-06 06:29:03

Angustifodilactones are natural compounds isolated from Kadsura and showing some activity against HIV in the cell culture. Angustific acid Neokadsuranin...

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Fungal isolate
Senin, 2025-10-06 10:01:19

antimicrobial Nocapyrones E-G Nocardiopsis dassonvillei antimicrobial alpha-pyrones Notoamide marine Aspergillus bio-active prenylated indole alkaloid Oxaline...

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Aureothin
Jumat, 2026-05-01 21:45:26

Aureothin is a natural product of a cytotoxic shikimate-polyketide antibiotic with the molecular formula C22H23NO6. Aureothin is produced by the bacterium...

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Lucibufagin
Rabu, 2026-07-29 08:52:24

Lucibufagins are a group of defensive steroids produced by several species of firefly to make them unpalatable to predators such as spiders and birds....

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Quercitron
Kamis, 2024-10-17 18:19:27

extensive class of natural coloring matters derived from phenyl benzoyl-pyrone or flavone, the constitution of which followed on the researches of Stanisław...

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Glucoside
Minggu, 2026-01-18 06:41:27

fraxetin (also known as 7,8-dihydroxy-6-methoxycoumarin) Flavone or benzo-7-pyrone derivatives are numerous; in many cases they (or the non-sugar part of the...

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Stizolobate synthase
Senin, 2026-03-02 19:05:15

6-semialdehyde. The intermediate readily cyclises and further oxidises, forming a 2-pyrone ring; this stizolobic acid, which is the product that is isolated and after...

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Metalloprotease inhibitor
Jumat, 2025-12-12 09:37:41

zinc binding group. By attaching an aryl backbone to the 2-position of the pyrone ring, more selectivity was gained. On the hydroxypyrone ring, three positions...

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Trail pheromone
Selasa, 2026-06-23 16:07:01

in the trail pheromones secreted by Pristomyrex pungens is 6-n-pentyl-2-pyrone; several monoterpenes were also found in the secretion, but they provided...

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2-Pyridone
Kamis, 2026-08-06 01:57:10

solvents also mediate the proton transfer during the tautomerisation. 2-Pyrone can be obtained by a cyclisation reaction, and converted to 2-pyridone via...

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Meconic acid
Sabtu, 2023-03-18 03:53:06

Meconic acid, also known as acidum meconicum and poppy acid, is a chemical substance found in certain plants of the poppy family, Papaveraceae, such as...

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Alkyne
Sabtu, 2026-08-08 22:00:06

4-cyclohexadienes, and the "cycloadduct" from the addition of alkynes to 2-pyrone eliminates carbon dioxide to give the aromatic compound. Analogous reactions...

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Prescopranone
Sabtu, 2026-05-09 01:02:57

Prescopranone is a key intermediate in the biosynthesis of scopranones. Prescopranone is the precursor to scopranone A, scopranone B, and scopranone C...

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Richmond Sarpong
Jumat, 2026-07-17 23:02:07

Unveils New Insights into Site-Selective Cross-Coupling of 3,5-Dibromo-2-pyrone". J. Am. Chem. Soc. 141 (6): 2652–2660. doi:10.1021/jacs.8b13012. PMID 30646686...

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Discovery and development of HIV-protease inhibitors
Minggu, 2026-05-31 21:46:14

high-throughput screening. This sulfonamide containing 5,6-dihydro-4-hydroxy-2-pyrone had emerged from screenings of 3-substituted coumarins and dihydropyrones...

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5-Hydroxymaltol
Kamis, 2021-11-25 13:31:24

5-Hydroxymaltol, a derivative of maltol, is a substance that can be found in Penicillium echinulatum. It is also found in toasted oak and also in honeys...

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Spectinabilin
Kamis, 2026-08-13 20:33:39

Spectinabilin is a nitrophenyl-substituted polyketide metabolite. It was first isolated from crude streptovaricin complex produced by Streptomyces spectabilis...

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Endothion
Minggu, 2026-05-17 02:18:17

*2-(S-DIMETHYLPHOSPHOROTHIO- METHYL)-5-METHOXY-4-PYRONE 5-METHOXY-2-(DIMETHOXYPHOSPHINYLTHIOMETHYL) PYRONE-4 AC-18737 ENDOCID ENDOCIDE ENT 24653 EXOTHION...

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Monoamine oxidase B
Jumat, 2026-07-24 15:54:13

Franke L, Schewe HJ (September 1998). "Inhibition of platelet MAO-B by kava pyrone-enriched extract from Piper methysticum Forster (kava-kava)". Pharmacopsychiatry...

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Pyrocoelia pectoralis
Senin, 2026-01-12 09:59:04

which is seen in other fireflies that release lucibufagins or steroidal pyrones as strong deterrents. Pyrocoelia pectoralis faces multiple environmental...

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Arabilin
Rabu, 2025-10-15 19:59:47

strain of Streptomyces in 2010. Chemically, it contains a substituted γ-pyrone ring and a p-nitrophenyl group that is rarely found in nature. Arabilin...

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Chiral auxiliary
Senin, 2026-04-20 13:02:46

Bioavailable Nonpeptidic HIV Protease Inhibitor of the 5,6-Dihydro-4-hydroxy-2-pyrone Sulfonamide Class". J. Med. Chem. 41 (18): 3467–3476. doi:10.1021/jm9802158...

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Hydnellum
Jumat, 2026-05-15 02:35:28

neuartiger Pyronfarbstoff aus Hydnellum geogenium" [Geogenin, a new kind of pyrone pigment from Hydnellum geogenium]. Beihefte zur Sydowia Annales Mycologici...

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Heme oxygenase
Senin, 2026-02-16 03:02:20

2018). "Trimerisation of carbon suboxide at a di-titanium centre to form a pyrone ring system". Chemical Science. 9 (22): 5008–5014. doi:10.1039/c8sc01127c...

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Trichoderma koningii
Kamis, 2026-07-16 19:29:15

compounds and secondary metabolites such as trichokonins, koninginins, and pyrones. Silver nanoparticles (AgNPs) are produced via the reduction and capping...

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Nocardiopsis
Rabu, 2026-07-01 13:27:20

Xinpeng; Zhang, Qingbo; Zhang, Wenjun; Zhang, Changsheng (24 June 2016). "α-Pyrones with Diverse Hydroxy Substitutions from Three Marine-Derived Nocardiopsis...

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Cavicularin
Rabu, 2026-07-08 05:24:45

Christopher M. (2013). "Total Synthesis of (±)-Cavicularin: Control of Pyrone Diels–Alder Regiochemistry Using Isomeric Vinyl Sulfones". Organic Letters...

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4-hydroxy-4-methyl-2-oxoglutarate aldolase
Senin, 2025-08-18 13:22:16

metabolism. Maruyama K (February 1983). "Purification and properties of 2-pyrone-4,6-dicarboxylate hydrolase". J. Biochem. 93 (2). Tokyo: 557–65. doi:10...

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Terana caerulea
Jumat, 2026-08-21 01:32:36

271–274. Baute R, Baute M-A, Deffieux G. (1987). Proposed pathway to the pyrones cortalcerone and microthecin in fungi". Phytochemistry 26(5): 1395–1397...

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Lomevactone
Jumat, 2026-06-26 02:52:51

Lomevactone (INN; developmental code name DR-250) is a drug described as a psychostimulant and antidepressant which was synthesized and assayed in the...

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Citromycin
Senin, 2026-07-06 18:03:05

Citromycin is a chemical compound produced by Penicillium. It was first discovered in 1969 and was found to have weak antibiotic activity. Capon, RJ; Stewart...

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Nanodiamond
Senin, 2026-08-17 05:58:05

the surface consists mainly of carbons, with high amounts of phenols, pyrones, and sulfonic acid, as well as carboxylic acid groups, hydroxyl groups...

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Cyclobutadiene
Kamis, 2026-08-06 15:31:38

J. Corey, Jacques Streith (1964). "Internal Photoaddtion Reactions of 2-Pyrone and N-Methyl-2-pyridone: A New Synthetic Approach to Cyclobutadiene". J...

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Sporopollenin
Minggu, 2026-08-16 13:30:29

backbone of polyhydroxylated tetraketide-like monomers with pseudo-aromatic 2-pyrone rings. These were crosslinked to a poly(hydroxy acid) chain by ether linkages...

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Spectinomycin
Sabtu, 2026-02-14 02:37:34

Spectinomycin, sold under the tradename Trobicin among others, is an antibiotic useful for the treatment of gonorrhea infections. It is given by injection...

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Crosslinking of DNA
Sabtu, 2026-08-15 19:42:45

Violet-A (UV-A) rays. These covalent adducts are formed by linking the 3, 4 (pyrone) or 4', 5’ (furan) edge of psoralen to the 5, 6 double bond of thymine....

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Repirinast
Sabtu, 2026-01-10 22:40:32

Repinirast (INN; marketed under the tradename Romet) is an antihistamine. Yamada N, Ohgaki M, Muramatsu M (1993). "Repirinast inhibits antigen-induced...

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Trichoderma longibrachiatum
Sabtu, 2025-05-10 23:04:22

produces many secondary metabolites including: peptaibols, polyketides, pyrones, terpenes and diketopiperazine-like compounds. Trichoderma longibrachiatum...

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Filibuvir
Selasa, 2025-12-30 20:40:55

Filibuvir (also known as PF-00868554, PF-868554) was a non-nucleoside orally available NS5B inhibitor developed by Pfizer for the treatment of hepatitis...

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Barrelene
Selasa, 2026-03-10 18:52:12

decarboxylation of coumalic acid (1) takes place at 650 °C with copper to give α-pyrone (2). The reaction with methyl vinyl ketone (3) is a tandem...

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Streptomyces isolates
Selasa, 2026-06-09 01:45:58

produces a number of antitubercular pluramycins. Wailupemycins are bio-active pyrones isolated from marine Streptomyces. Mayamycin has been shown to have cytotoxic...

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Stereoelectronic effect
Senin, 2026-02-23 00:40:49

K. (1989). "The scope and mechanism of rearrangement of 4,6-dialkoxy-2-pyrones". Tetrahedron Letters. 30 (27): 3509–3512. doi:10.1016/S0040-4039(00)99426-7...

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Citromycetin
Senin, 2024-10-21 18:18:58

Citromycetin is a bio-active polyketide isolated from Australian Penicillium. Capon, RJ; Stewart, M; Ratnayake, R; Lacey, E; Gill, JH (2007). "Citromycetins...

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Allixin
Senin, 2023-10-16 04:15:36

Allixin is a phytoalexin found in garlic (Allium sativum) bulbs. It was first isolated and characterized in 1989. When garlic is stored for long periods...

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Xylaria hypoxylon
Rabu, 2025-12-10 06:52:05

19(11): 1323–26. Schüffler A, Sterner O, Anke H (2007). "Cytotoxic alpha-pyrones from Xylaria hypoxylon". Z. Naturforsch. C. 62 (3–4): 169–72. doi:10.1515/znc-2007-3-403...

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List of EC numbers (EC 3)
Selasa, 2026-07-21 19:09:27

deacetylase EC 3.1.1.56: methylumbelliferyl-acetate deacetylase EC 3.1.1.57: 2-pyrone-4,6-dicarboxylate lactonase EC 3.1.1.58: N-acetylgalactosaminoglycan deacetylase...

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Phloroisovalerophenone synthase
Sabtu, 2025-08-02 20:49:52

Hofte AJ, Schröder G, Verpoorte R, Schröder J (December 1998). "4-Hydroxy-2-pyrone formation by chalcone and stilbene synthase with nonphysiological substrates"...

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Stizolobinate synthase
Senin, 2026-03-02 19:03:16

6-semialdehyde. The intermediate readily cyclises and further oxidises, forming a 2-pyrone ring; this is stizolobinic acid, which is the product that is isolated and...

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Ethyl maltol
Kamis, 2026-06-04 05:04:05

2-Ethyl-3-hydroxy-4-pyranone 2-Ethyl pyromeconic acid 2-Ethyl-3-hydroxy-4-pyrone Identifiers CAS Number 4940-11-8 Y 3D model (JSmol) Interactive image ChEBI...

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Streptomyces violascens
Rabu, 2026-07-01 09:31:39

Jiang, Chenglin; Huang, Xueshi (22 November 2013). "Violapyrones A–G, α-Pyrone Derivatives from Isolated from Feces". Journal of Natural Products. 76 (11):...

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3-O-Methylfunicone
Senin, 2026-08-03 03:47:26

3-O-Methylfunicone is a chemical compound isolated from Penicillium pinophilum. It inhibits the growth of phytopathogenic fungi. "KNApSAcK Metabolite Information...

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Visnagin
Selasa, 2026-03-03 12:29:26

reported. Starting from phloroghrcin aldehyde, and building on the 2-methyl-y-pyrone, 2-methyl-5,7-dihydroxy-dfo-yl-chromone was obtained. Construction of the...

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Endiandric acid C
Sabtu, 2024-05-11 08:47:23

Miller, A. K.; Trauner, D. Mapping the Chemistry of Highly Unsaturated Pyrone Polyketides. Synlett 2006, 2295-2316. Milne, B. F.; Long, P. F.; Starcevic...

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Desmethoxyyangonin
Kamis, 2026-08-06 15:06:08

Franke L; Schewe HL (September 1998). "Inhibition of platelet MAO-B by kava pyrone-enriched extract from Piper methysticum Forster (kava-kava)". Pharmacopsychiatry...

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Goniothalamus tamirensis
Minggu, 2026-04-19 09:28:31

Long, Pham Quoc; Cuong, Nguyen Manh; Kim, Young Ho (2010). "New Pyrano-Pyrone from Goniothalamus tamirensis Enhances the Proliferation and Differentiation...

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Phosphaethynolate
Kamis, 2026-08-20 22:06:36

heterocycles. One simple example is the reaction between the NaPCO and an α-pyrone. This reaction yields the sodium phosphinin-2-olate salt which is stable...

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Hydnellum geogenium
Senin, 2025-06-23 15:04:16

neuartiger Pyronfarbstoff aus Hydnellum geogenium" [Geogenin, a new kind of pyrone pigment from Hydnellum geogenium]. Beihefte zur Sydowia Annales Mycologici...

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Mycena aurantiomarginata
Jumat, 2026-01-23 02:33:33

from S-Adenosyl methionine. The tridecaketide itself contains an alpha-pyrone, a conjugated hexaene, and a single alkenyl moiety. Jaeger and Spiteller...

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Phytoalexin
Rabu, 2026-01-14 08:00:50

l-2-pentyl-4H-pyran-4-one), a non-sulfur-containing compound having a γ-pyrone skeletal structure, was the first compound isolated from garlic as a phytoalexin...

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Lactonase
Minggu, 2026-05-10 11:23:29

quorum-sensing systems driving virulence gene expression. 1,4-lactonase 2-pyrone-4,6-dicarboxylate lactonase 3-oxoadipate enol-lactonase Actinomycin lactonase...

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Christian Hartinger
Senin, 2026-03-02 22:08:15

Hartinger, C. G., Aqueous chemistry and antiproliferative activity of a pyrone-based phosphoramidate Ru(arene) anticancer agent. Dalton Trans, 2014, 43...

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Streptomyces griseoruber
Rabu, 2026-07-01 12:26:22

Süssmuth, Roderich D; Fiedler, Hans-Peter (31 July 2009). "Gombapyrones, new α-pyrone metabolites produced by Streptomyces griseoruber Acta 3662*". The Journal...

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In the Kingdom of Oil and Millions
Selasa, 2026-08-04 04:34:47

1916 from the date when the film was first shown. The film belonged to the Pyrone Brothers In order to make a film, Boris Svetlov and director Grigory Lemberk...

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Bufagin
Minggu, 2026-04-26 23:53:40

derivatives. This means they are steroids with a six-membered lactone (α-pyrone) ring attached to ring D (the five-membered one). The difference to digitalis...

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Vermistatin
Jumat, 2025-08-01 19:10:51

Vermistatin is an organic compound and a metabolite of mine-dwelling Penicillium vermiculatum found in Berkeley Pit Lake, Butte, Montana. Penisimplicissin...

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Henry Ernest Stapleton
Sabtu, 2024-11-23 07:19:59

Phenols with Esters of the Acetylene Series. Part III. Synthesis of Benzo-y-pyrone, Transactions of the Chemical Society 77. (with Siegfried Ruhemann) 1905...

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Hydnellum scabrosum
Jumat, 2025-06-20 12:56:33

shown to stimulate nerve growth factor (NGF). Yet another agent, an alpha-pyrone, was shown to inhibit lettuce seedling growth. Wikimedia Commons has media...

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Gallium maltolate
Sabtu, 2025-07-26 15:51:55

Gallium maltolate is a coordination complex consisting of a trivalent gallium cation coordinated to three maltolate ligands. The compound is a potential...

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Penicillium paxilli
Selasa, 2025-01-28 09:12:04

W; Saitai, P; Sukpondma, Y; Phongpaichit, S; Sakayaroj, J (2007). "A new pyrone derivative from the endophytic fungus Penicillium paxilli PSU-A71". Chemical...

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2-hydroxy-4-carboxymuconate semialdehyde hemiacetal dehydrogenase
Senin, 2025-12-22 20:45:23

PMID 528534. Maruyama K (February 1983). "Purification and properties of 2-pyrone-4,6-dicarboxylate hydrolase". Journal of Biochemistry. 93 (2): 557–65. doi:10...

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Lichexanthone
Minggu, 2026-07-05 08:20:22

through a benzophenone intermediate that could dehydrate to yield the central pyrone core of lichexanthone. A standardized high-performance liquid chromatography...

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List of MeSH codes (D03)
Sabtu, 2026-07-04 05:08:20

nigericin MeSH D03.383.663.705 – pyran copolymer MeSH D03.383.663.718 – pyrones MeSH D03.383.679.149 – amiloride MeSH D03.383.679.750 – pyrazinamide MeSH D03...

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