Search Results: Pyrones
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Pyrone
Selasa, 2026-05-12 02:00:394-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...
Click to read more »2-Pyrone
Kamis, 2025-11-20 03:07:04is a method for the alkylation of certain pyrones with acid chlorides.[citation needed] The parent 2-pyrone can be produced from decarboxylation of coumalic...
Click to read more »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...
Click to read more »Pyrylium
Selasa, 2026-05-12 02:04:572-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...
Click to read more »Kojic acid
Sabtu, 2026-06-27 05:25:23organic compound with the formula HOCH2C5H2O2OH. It is a derivative of 4-pyrone that functions in nature as a chelation agent produced by several species...
Click to read more »Urolithin A
Kamis, 2026-07-30 09:51:21to the class of organic compounds known as benzo-coumarins or dibenzo-α-pyrones. Its precursors – ellagic acids and ellagitannins – are ubiquitous in nature...
Click to read more »6-Amyl-α-pyrone
Rabu, 2024-01-17 18:09:13branched diols as polymer precursors from biomass-derived lactones and 2-pyrones". Materials Science for Energy Technologies. 5: 1–5. Bibcode:2022MSET....
Click to read more »Verrucosidin
Kamis, 2025-06-19 05:21:47Verrucosidin is a toxic pyrone-type polyketide produced by Penicillium aurantiogriseum, Penicillium melanoconidium, and Penicillium polonicum. Frisvad...
Click to read more »Isocoumarin
Rabu, 2021-06-02 23:13:15Isocoumarin (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...
Click to read more »1,3-Dipolar cycloaddition
Rabu, 2026-06-10 12:54:36hydroxy-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...
Click to read more »Firefly
Selasa, 2026-08-11 18:03:44fireflies are distasteful to vertebrate predators, as they contain the steroid pyrones lucibufagins, similar to the cardiac stimulant bufadienolides found in...
Click to read more »Kava
Minggu, 2026-08-02 03:39:31import of "Piper methysticum (kava-kava), the active constituents of; kava pyrones (kavalactones); their quaternary compounds; their salts" remains banned...
Click to read more »C5H4O2
Sabtu, 2025-10-25 16:17:33refer to: Furfural (2-furaldehyde) 3-Furaldehyde Protoanemonin Pyrones 2-Pyrone 4-Pyrone This set index page lists chemical structure articles associated...
Click to read more »Triacetic acid lactone
Senin, 2026-03-02 17:40:00Roser (1992). "Dehydroacetic Acid, Triacetic Acid Lactone, and Related Pyrones". Advances in Heterocyclic Chemistry. 53: 1–84. doi:10.1016/S0065-2725(08)60861-2...
Click to read more »Maltol
Kamis, 2025-11-20 03:03:37soluble 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+,...
Click to read more »Janis Louie
Selasa, 2026-02-10 02:02:062-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...
Click to read more »Malic acid
Kamis, 2026-08-06 15:38:18Self-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...
Click to read more »Coumalic acid
Kamis, 2025-11-20 03:08:03fuming sulfuric acid: Wiley, Richard H.; Knabeschuh, Louis H. (1955). "'2-Pyrones. XIII. The Chemistry of Coumalic Acid and its Derivatives". Journal of...
Click to read more »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...
Click to read more »Phloroglucinol synthase
Rabu, 2026-04-08 07:02:23aliphatic acyl-CoAs and phenylacetyl-CoAs, yielding polyoxoalkylated alpha-pyrones by condensation with malonyl-CoA. The enzyme catalyzes the following reaction...
Click to read more »Lauraceae
Kamis, 2026-08-20 06:28:17S-methyl-5-O-flavonoids, proanthocyanidins, cinnamoylamides, phenylpyrroles, styryl pyrones, polyketides (acetogenins), furanosesquiterpenes, and germacranolidous...
Click to read more »Port wine
Rabu, 2026-08-19 22:26:11and oxovitisin A, an oxovitisin, a type of pyranoanthocyanin with a 2-pyrone component. Wine portal List of Portuguese wine regions Madeira wine Port...
Click to read more »Kavain
Kamis, 2026-08-06 14:47:16Karin; Bingmann, Dieter; Von Wegerer, Jörg; Walden, Jörg (2001). "Kava pyrones exert effects on neuronal transmission and transmembraneous cation currents...
Click to read more »Mucic acid
Jumat, 2026-06-19 19:49:30yields oxalic acid. With potassium bisulfate mucic acid forms 3-hydroxy-2-pyrone by dehydration and decarboxylation. Mucic acid can be used to replace tartaric...
Click to read more »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...
Click to read more »Glycoside
Jumat, 2026-02-27 19:20:09Psoralea corylifolia. In this case, the aglycone is called benzo-gamma-pyrone. In this case, the aglycone contains a cyanohydrin group. Plants that make...
Click to read more »Δ-Decalactone
Sabtu, 2025-11-22 02:56:21delfone. 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...
Click to read more »Enterocin
Rabu, 2026-07-08 08:31:32Enterocin and its derivatives are bacteriocins synthesized by the lactic acid bacteria, Enterococcus. This class of polyketide antibiotics are effective...
Click to read more »2-pyrone-4,6-dicarboxylate lactonase
Senin, 2026-08-10 18:57:592-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...
Click to read more »Gymnopilus junonius
Senin, 2026-03-16 09:32:43bis-noryangonin and hispidin, which are structurally related to alpha-pyrones found in kava. It also contains neurotoxins known as oligoisoprenoids,...
Click to read more »Retro-Diels–Alder reaction
Jumat, 2026-02-06 20:22:50dienophile released during rDA reactions. Diels–Alder adducts of alkynes and 2-pyrones can undergo rDA to release carbon dioxide and generate aromatic compounds...
Click to read more »Dehydroacetic acid
Jumat, 2022-10-28 02:35:57which has several industrial applications. The compound is classified as a pyrone derivative. It presents as an odorless, colorless to white crystalline powder...
Click to read more »Gymnopilus
Jumat, 2026-08-07 19:24:13bis-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...
Click to read more »Apigenin
Sabtu, 2026-06-13 20:37:32to chalcone. Chalcone isomerase then isomerizes the product to close the pyrone ring to make naringenin. Finally, a flavanone synthase enzyme oxidizes naringenin...
Click to read more »Aspergillus eucalypticola
Minggu, 2025-08-17 01:57:11produce pyranonigrin A, funalenone, aurasperone B and other naphtho-γ-pyrones. The genome of A. eucalypticola was sequenced and published in 2014 as...
Click to read more »Vicadrostat
Rabu, 2026-08-19 14:44:48Vicadrostat 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...
Click to read more »2H
Selasa, 2025-11-25 02:11:51Pyran 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...
Click to read more »Macrophomic acid
Selasa, 2021-09-07 17:58:30The 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...
Click to read more »Coeloginin
Jumat, 2024-01-19 23:11:37Himalayan orchid Coelogyne cristata. This molecule has a phenanthro[4,5-bcd]pyrone structure. Majumder, Priyalal; Bandyopadhyay, Debabrata; Joardar, Subhendu...
Click to read more »EXP-561
Senin, 2026-06-15 10:57:12EXP-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...
Click to read more »Diels–Alder reaction
Senin, 2026-08-10 14:29:26the total synthesis of taxol. The intermolecular reaction of the hydroxy-pyrone and α,β–unsaturated ester shown below suffered from poor yield and regioselectivity;...
Click to read more »Stizolobic acid
Senin, 2026-03-02 19:04:226-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...
Click to read more »Himeic acid A
Minggu, 2025-06-01 05:02:04Himeic acid A is a substance with chemical formula C22H29NO8. Tsukamoto, Sachiko; Hirota, Hiroshi; Imachi, Misako; Fujimuro, Masahiro; Onuki, Hiroyuki;...
Click to read more »ATP synthase
Selasa, 2026-08-11 17:09:58polyphenolic phytochemicals, polyketides, organotin compounds, polyenic α-pyrone derivatives, cationic inhibitors, substrate analogs, amino acid modifiers...
Click to read more »4-oxalmesaconate hydratase
Senin, 2025-07-21 20:38:40hydroxylation. Maruyama K (February 1983). "Purification and properties of 2-pyrone-4,6-dicarboxylate hydrolase". Journal of Biochemistry. 93 (2): 557–65. doi:10...
Click to read more »Chelidonic acid
Senin, 2026-02-09 10:37:53from diethyl oxalate and acetone: Chelidonic acid is used to synthesize 4-pyrone via thermal decarboxylation. Chelidonic acid is one of the most potent inhibitors...
Click to read more »Piromelatine
Minggu, 2025-12-21 17:46:09Piromelatine (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...
Click to read more »Khellin
Selasa, 2026-03-03 12:29:13odorless, bitter-tasting needle-shaped crystals and is classified as a gamma-pyrone, a furanochromone derivative. In the early 20th century, researchers searched...
Click to read more »Cyclophane
Kamis, 2026-08-06 15:32:05anticancer drug it is also available from total synthesis via an alkyne - pyrone Diels-Alder reaction in the crucial step with expulsion of carbon dioxide...
Click to read more »Withanolide
Kamis, 2025-06-19 04:59:33Withanolides are a group of at least 300 naturally occurring steroids built on an ergostane skeleton. They occur as secondary metabolites primarily in...
Click to read more »Chromone
Senin, 2025-07-07 10:38:11Other 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...
Click to read more »Grevilline
Senin, 2026-05-18 05:46:11Grevillines (also spelled grevillins) are a group of natural chemical pigments found in certain fungi, notably the tamarack jack mushroom (Suillus grevillei)...
Click to read more »Pyran
Senin, 2026-05-25 04:14:11system 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...
Click to read more »Penicillium corylophilum
Rabu, 2025-10-22 12:05:07McMullin, D. R.; Nsiama, T. K.; Miller, J. D. (2014). "Isochromans and α-pyrones from Penicillium corylophilum". Journal of Natural Products. 77 (2): 206–12...
Click to read more »Massoia lactone
Sabtu, 2026-07-04 04:45:01can 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...
Click to read more »Myxopyronin
Kamis, 2026-05-07 22:36:40Myxopyronins (Myx) are a group of alpha-pyrone antibiotics, which are inhibitors of bacterial RNA polymerase (RNAP). They target switch 1 and switch 2...
Click to read more »Brown-banded cockroach
Rabu, 2026-06-17 08:25:06pheromone for the brownbanded cockroach is an unusual dialkyl-substituted alpha-pyrone". Proceedings of the National Academy of Sciences. 90 (21): 10202–10205...
Click to read more »2-Furanone
Kamis, 2026-08-06 15:26:01maple syrup. Category:Furanones, various substituted structural analogs Pyrone, which has one more carbon atom in the ring Sigma-Aldrich Chemicals Product...
Click to read more »Huperzine A
Jumat, 2026-08-07 20:46:12Huperzine A, a Lycopodium alkaloid, was first isolated in 1983 from Huperzia serrata, a plant used in Chinese folk medicine. Huperzine A also exists in...
Click to read more »Polyketide
Rabu, 2026-08-12 00:13:52orcinol by heating dehydracetic acid with barium hydroxide causing the pyrone ring to open into a triketide. Further studies in 1903 by Collie on the...
Click to read more »Germicidin
Selasa, 2026-08-11 01:11:00Germicidins are a groups of natural products arising from Streptomyces species that acts as autoregulatory inhibitor of spore germination. In Streptomyces...
Click to read more »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...
Click to read more »Viriditoxin
Kamis, 2026-07-16 19:31:35selective methylation of one of the phenol groups and reduction of the pyrone ring, the resulting intermediate (semiviriditoxin) is dimerised by a laccase...
Click to read more »Pogostone
Rabu, 2026-01-21 02:51:46Pogostone or dhelwangin is a naturally occurring organic compound with the formula C12H16O4. Classified as a secondary metabolite, primarily found in patchouli...
Click to read more »Oxovitisin
Senin, 2026-05-04 22:42:51Oxovitisins are a type of pyranoanthocyanin with a pyranone (2-pyrone) component found in aged port wines. They do not contain an oxonium ion component...
Click to read more »Keck asymmetric allylation
Rabu, 2026-01-28 04:46:26a 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...
Click to read more »Orcinol
Kamis, 2026-08-06 15:40:40prepared by dehydroacetic acid, a conversion that involved ring-opening of the pyrone to a triketone. This early experiment helped establish the rich condensation...
Click to read more »Δ-Octalactone
Selasa, 2025-07-15 11:58:48δ-Octalactone is a lactone and aroma compound with a creamy cocoa, coconut, and peach flavor. Its chemical formula is C8H14O2. "Substance Name: delta-Octalactone"...
Click to read more »Withaferin A
Rabu, 2026-08-12 00:52:27Withaferin A is a steroidal lactone, derived from Acnistus arborescens, Withania somnifera and other members of family Solanaceae. It is the first member...
Click to read more »DHA
Rabu, 2026-04-01 16:49:32Dehydroascorbic acid, an oxidized form of ascorbic acid Dehydroacetic acid, a pyrone derivative used as a plasticiser, as a fungicide, as a bactericide, and...
Click to read more »Phaeochromycin A
Minggu, 2025-06-01 05:22:52Phaeochromycin A is an anti-inflammatory polyketide isolated from Streptomyces. Graziani, E. I.; Ritacco, F. V.; Bernan, V. S.; Telliez, J. B. (2005)....
Click to read more »Kavalactone
Minggu, 2025-11-02 07:28:20as ethysticin, have also been isolated. Some consist of a substituted α-pyrone as the lactone, while others are partially saturated. The average elimination...
Click to read more »Psoralen
Jumat, 2026-07-24 08:15:56four-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...
Click to read more »Inoscavin A
Kamis, 2026-06-04 15:04:44Inoscavin A is an antioxidant isolated from the mushroom Inonotus xeranticus. Inoscavin "KNApSAcK Metabolite Information - C00030513". www.knapsackfamily...
Click to read more »Tipranavir
Minggu, 2026-05-31 23:13:31Tipranavir (TPV) is a nonpeptidic HIV-1 protease inhibitor manufactured by Boehringer Ingelheim under the trade name Aptivus. It is used as part of combination...
Click to read more »Carbon suboxide
Minggu, 2026-08-16 09:53:00is 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...
Click to read more »Benzopyrone
Senin, 2026-07-27 10:45:13Machine. 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...
Click to read more »Oxovitisin A
Kamis, 2025-09-04 00:12:48Oxovitisin 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...
Click to read more »Büchner–Curtius–Schlotterbeck reaction
Rabu, 2026-02-04 02:20:21CARDIAC AGLYCONES. VI. THE ACTION OF DIAZOMETHANE ON CERTAIN DERIVATIVES OF α-PYRONE". Journal of Organic Chemistry. 6 (4): 577–583. doi:10.1021/jo01204a011...
Click to read more »Interfungin
Minggu, 2025-06-01 05:24:05Interfungins are a group of chemical compounds isolated from fungi in the genus Phellinus which have NF-κB inhibitory activities. Wu, Chang-Sheng; Lin...
Click to read more »C10H14O2
Sabtu, 2025-10-25 17:48:36The molecular formula C10H14O2 may refer to: 6-Amyl-α-pyrone 4-tert-Butylcatechol tert-Butylhydroquinone Camphorquinone Ciclotic acid Dolichodial Idramantone...
Click to read more »Angustifodilactone
Jumat, 2025-06-06 06:29:03Angustifodilactones are natural compounds isolated from Kadsura and showing some activity against HIV in the cell culture. Angustific acid Neokadsuranin...
Click to read more »Fungal isolate
Senin, 2025-10-06 10:01:19antimicrobial Nocapyrones E-G Nocardiopsis dassonvillei antimicrobial alpha-pyrones Notoamide marine Aspergillus bio-active prenylated indole alkaloid Oxaline...
Click to read more »Aureothin
Jumat, 2026-05-01 21:45:26Aureothin is a natural product of a cytotoxic shikimate-polyketide antibiotic with the molecular formula C22H23NO6. Aureothin is produced by the bacterium...
Click to read more »Lucibufagin
Rabu, 2026-07-29 08:52:24Lucibufagins are a group of defensive steroids produced by several species of firefly to make them unpalatable to predators such as spiders and birds....
Click to read more »Quercitron
Kamis, 2024-10-17 18:19:27extensive class of natural coloring matters derived from phenyl benzoyl-pyrone or flavone, the constitution of which followed on the researches of Stanisław...
Click to read more »Glucoside
Minggu, 2026-01-18 06:41:27fraxetin (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...
Click to read more »Stizolobate synthase
Senin, 2026-03-02 19:05:156-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...
Click to read more »Metalloprotease inhibitor
Jumat, 2025-12-12 09:37:41zinc 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...
Click to read more »Trail pheromone
Selasa, 2026-06-23 16:07:01in the trail pheromones secreted by Pristomyrex pungens is 6-n-pentyl-2-pyrone; several monoterpenes were also found in the secretion, but they provided...
Click to read more »2-Pyridone
Kamis, 2026-08-06 01:57:10solvents also mediate the proton transfer during the tautomerisation. 2-Pyrone can be obtained by a cyclisation reaction, and converted to 2-pyridone via...
Click to read more »Meconic acid
Sabtu, 2023-03-18 03:53:06Meconic acid, also known as acidum meconicum and poppy acid, is a chemical substance found in certain plants of the poppy family, Papaveraceae, such as...
Click to read more »Alkyne
Sabtu, 2026-08-08 22:00:064-cyclohexadienes, and the "cycloadduct" from the addition of alkynes to 2-pyrone eliminates carbon dioxide to give the aromatic compound. Analogous reactions...
Click to read more »Prescopranone
Sabtu, 2026-05-09 01:02:57Prescopranone is a key intermediate in the biosynthesis of scopranones. Prescopranone is the precursor to scopranone A, scopranone B, and scopranone C...
Click to read more »Richmond Sarpong
Jumat, 2026-07-17 23:02:07Unveils 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...
Click to read more »Discovery and development of HIV-protease inhibitors
Minggu, 2026-05-31 21:46:14high-throughput screening. This sulfonamide containing 5,6-dihydro-4-hydroxy-2-pyrone had emerged from screenings of 3-substituted coumarins and dihydropyrones...
Click to read more »5-Hydroxymaltol
Kamis, 2021-11-25 13:31:245-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...
Click to read more »Spectinabilin
Kamis, 2026-08-13 20:33:39Spectinabilin is a nitrophenyl-substituted polyketide metabolite. It was first isolated from crude streptovaricin complex produced by Streptomyces spectabilis...
Click to read more »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...
Click to read more »Monoamine oxidase B
Jumat, 2026-07-24 15:54:13Franke L, Schewe HJ (September 1998). "Inhibition of platelet MAO-B by kava pyrone-enriched extract from Piper methysticum Forster (kava-kava)". Pharmacopsychiatry...
Click to read more »Pyrocoelia pectoralis
Senin, 2026-01-12 09:59:04which is seen in other fireflies that release lucibufagins or steroidal pyrones as strong deterrents. Pyrocoelia pectoralis faces multiple environmental...
Click to read more »Arabilin
Rabu, 2025-10-15 19:59:47strain of Streptomyces in 2010. Chemically, it contains a substituted γ-pyrone ring and a p-nitrophenyl group that is rarely found in nature. Arabilin...
Click to read more »Chiral auxiliary
Senin, 2026-04-20 13:02:46Bioavailable 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...
Click to read more »Hydnellum
Jumat, 2026-05-15 02:35:28neuartiger Pyronfarbstoff aus Hydnellum geogenium" [Geogenin, a new kind of pyrone pigment from Hydnellum geogenium]. Beihefte zur Sydowia Annales Mycologici...
Click to read more »Heme oxygenase
Senin, 2026-02-16 03:02:202018). "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...
Click to read more »Trichoderma koningii
Kamis, 2026-07-16 19:29:15compounds and secondary metabolites such as trichokonins, koninginins, and pyrones. Silver nanoparticles (AgNPs) are produced via the reduction and capping...
Click to read more »Nocardiopsis
Rabu, 2026-07-01 13:27:20Xinpeng; Zhang, Qingbo; Zhang, Wenjun; Zhang, Changsheng (24 June 2016). "α-Pyrones with Diverse Hydroxy Substitutions from Three Marine-Derived Nocardiopsis...
Click to read more »Cavicularin
Rabu, 2026-07-08 05:24:45Christopher M. (2013). "Total Synthesis of (±)-Cavicularin: Control of Pyrone Diels–Alder Regiochemistry Using Isomeric Vinyl Sulfones". Organic Letters...
Click to read more »4-hydroxy-4-methyl-2-oxoglutarate aldolase
Senin, 2025-08-18 13:22:16metabolism. Maruyama K (February 1983). "Purification and properties of 2-pyrone-4,6-dicarboxylate hydrolase". J. Biochem. 93 (2). Tokyo: 557–65. doi:10...
Click to read more »Terana caerulea
Jumat, 2026-08-21 01:32:36271–274. Baute R, Baute M-A, Deffieux G. (1987). Proposed pathway to the pyrones cortalcerone and microthecin in fungi". Phytochemistry 26(5): 1395–1397...
Click to read more »Lomevactone
Jumat, 2026-06-26 02:52:51Lomevactone (INN; developmental code name DR-250) is a drug described as a psychostimulant and antidepressant which was synthesized and assayed in the...
Click to read more »Citromycin
Senin, 2026-07-06 18:03:05Citromycin is a chemical compound produced by Penicillium. It was first discovered in 1969 and was found to have weak antibiotic activity. Capon, RJ; Stewart...
Click to read more »Nanodiamond
Senin, 2026-08-17 05:58:05the surface consists mainly of carbons, with high amounts of phenols, pyrones, and sulfonic acid, as well as carboxylic acid groups, hydroxyl groups...
Click to read more »Cyclobutadiene
Kamis, 2026-08-06 15:31:38J. Corey, Jacques Streith (1964). "Internal Photoaddtion Reactions of 2-Pyrone and N-Methyl-2-pyridone: A New Synthetic Approach to Cyclobutadiene". J...
Click to read more »Sporopollenin
Minggu, 2026-08-16 13:30:29backbone of polyhydroxylated tetraketide-like monomers with pseudo-aromatic 2-pyrone rings. These were crosslinked to a poly(hydroxy acid) chain by ether linkages...
Click to read more »Spectinomycin
Sabtu, 2026-02-14 02:37:34Spectinomycin, sold under the tradename Trobicin among others, is an antibiotic useful for the treatment of gonorrhea infections. It is given by injection...
Click to read more »Crosslinking of DNA
Sabtu, 2026-08-15 19:42:45Violet-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....
Click to read more »Repirinast
Sabtu, 2026-01-10 22:40:32Repinirast (INN; marketed under the tradename Romet) is an antihistamine. Yamada N, Ohgaki M, Muramatsu M (1993). "Repirinast inhibits antigen-induced...
Click to read more »Trichoderma longibrachiatum
Sabtu, 2025-05-10 23:04:22produces many secondary metabolites including: peptaibols, polyketides, pyrones, terpenes and diketopiperazine-like compounds. Trichoderma longibrachiatum...
Click to read more »Filibuvir
Selasa, 2025-12-30 20:40:55Filibuvir (also known as PF-00868554, PF-868554) was a non-nucleoside orally available NS5B inhibitor developed by Pfizer for the treatment of hepatitis...
Click to read more »Barrelene
Selasa, 2026-03-10 18:52:12decarboxylation 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...
Click to read more »Streptomyces isolates
Selasa, 2026-06-09 01:45:58produces a number of antitubercular pluramycins. Wailupemycins are bio-active pyrones isolated from marine Streptomyces. Mayamycin has been shown to have cytotoxic...
Click to read more »Stereoelectronic effect
Senin, 2026-02-23 00:40:49K. (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...
Click to read more »Citromycetin
Senin, 2024-10-21 18:18:58Citromycetin is a bio-active polyketide isolated from Australian Penicillium. Capon, RJ; Stewart, M; Ratnayake, R; Lacey, E; Gill, JH (2007). "Citromycetins...
Click to read more »Allixin
Senin, 2023-10-16 04:15:36Allixin is a phytoalexin found in garlic (Allium sativum) bulbs. It was first isolated and characterized in 1989. When garlic is stored for long periods...
Click to read more »Xylaria hypoxylon
Rabu, 2025-12-10 06:52:0519(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...
Click to read more »List of EC numbers (EC 3)
Selasa, 2026-07-21 19:09:27deacetylase 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...
Click to read more »Phloroisovalerophenone synthase
Sabtu, 2025-08-02 20:49:52Hofte AJ, Schröder G, Verpoorte R, Schröder J (December 1998). "4-Hydroxy-2-pyrone formation by chalcone and stilbene synthase with nonphysiological substrates"...
Click to read more »Stizolobinate synthase
Senin, 2026-03-02 19:03:166-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...
Click to read more »Ethyl maltol
Kamis, 2026-06-04 05:04:052-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...
Click to read more »Streptomyces violascens
Rabu, 2026-07-01 09:31:39Jiang, Chenglin; Huang, Xueshi (22 November 2013). "Violapyrones A–G, α-Pyrone Derivatives from Isolated from Feces". Journal of Natural Products. 76 (11):...
Click to read more »3-O-Methylfunicone
Senin, 2026-08-03 03:47:263-O-Methylfunicone is a chemical compound isolated from Penicillium pinophilum. It inhibits the growth of phytopathogenic fungi. "KNApSAcK Metabolite Information...
Click to read more »Visnagin
Selasa, 2026-03-03 12:29:26reported. 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...
Click to read more »Endiandric acid C
Sabtu, 2024-05-11 08:47:23Miller, A. K.; Trauner, D. Mapping the Chemistry of Highly Unsaturated Pyrone Polyketides. Synlett 2006, 2295-2316. Milne, B. F.; Long, P. F.; Starcevic...
Click to read more »Desmethoxyyangonin
Kamis, 2026-08-06 15:06:08Franke L; Schewe HL (September 1998). "Inhibition of platelet MAO-B by kava pyrone-enriched extract from Piper methysticum Forster (kava-kava)". Pharmacopsychiatry...
Click to read more »Goniothalamus tamirensis
Minggu, 2026-04-19 09:28:31Long, Pham Quoc; Cuong, Nguyen Manh; Kim, Young Ho (2010). "New Pyrano-Pyrone from Goniothalamus tamirensis Enhances the Proliferation and Differentiation...
Click to read more »Phosphaethynolate
Kamis, 2026-08-20 22:06:36heterocycles. 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...
Click to read more »Hydnellum geogenium
Senin, 2025-06-23 15:04:16neuartiger Pyronfarbstoff aus Hydnellum geogenium" [Geogenin, a new kind of pyrone pigment from Hydnellum geogenium]. Beihefte zur Sydowia Annales Mycologici...
Click to read more »Mycena aurantiomarginata
Jumat, 2026-01-23 02:33:33from S-Adenosyl methionine. The tridecaketide itself contains an alpha-pyrone, a conjugated hexaene, and a single alkenyl moiety. Jaeger and Spiteller...
Click to read more »Phytoalexin
Rabu, 2026-01-14 08:00:50l-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...
Click to read more »Lactonase
Minggu, 2026-05-10 11:23:29quorum-sensing systems driving virulence gene expression. 1,4-lactonase 2-pyrone-4,6-dicarboxylate lactonase 3-oxoadipate enol-lactonase Actinomycin lactonase...
Click to read more »Christian Hartinger
Senin, 2026-03-02 22:08:15Hartinger, C. G., Aqueous chemistry and antiproliferative activity of a pyrone-based phosphoramidate Ru(arene) anticancer agent. Dalton Trans, 2014, 43...
Click to read more »Streptomyces griseoruber
Rabu, 2026-07-01 12:26:22Süssmuth, Roderich D; Fiedler, Hans-Peter (31 July 2009). "Gombapyrones, new α-pyrone metabolites produced by Streptomyces griseoruber Acta 3662*". The Journal...
Click to read more »In the Kingdom of Oil and Millions
Selasa, 2026-08-04 04:34:471916 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...
Click to read more »Bufagin
Minggu, 2026-04-26 23:53:40derivatives. 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...
Click to read more »Vermistatin
Jumat, 2025-08-01 19:10:51Vermistatin is an organic compound and a metabolite of mine-dwelling Penicillium vermiculatum found in Berkeley Pit Lake, Butte, Montana. Penisimplicissin...
Click to read more »Henry Ernest Stapleton
Sabtu, 2024-11-23 07:19:59Phenols with Esters of the Acetylene Series. Part III. Synthesis of Benzo-y-pyrone, Transactions of the Chemical Society 77. (with Siegfried Ruhemann) 1905...
Click to read more »Hydnellum scabrosum
Jumat, 2025-06-20 12:56:33shown to stimulate nerve growth factor (NGF). Yet another agent, an alpha-pyrone, was shown to inhibit lettuce seedling growth. Wikimedia Commons has media...
Click to read more »Gallium maltolate
Sabtu, 2025-07-26 15:51:55Gallium maltolate is a coordination complex consisting of a trivalent gallium cation coordinated to three maltolate ligands. The compound is a potential...
Click to read more »Penicillium paxilli
Selasa, 2025-01-28 09:12:04W; Saitai, P; Sukpondma, Y; Phongpaichit, S; Sakayaroj, J (2007). "A new pyrone derivative from the endophytic fungus Penicillium paxilli PSU-A71". Chemical...
Click to read more »2-hydroxy-4-carboxymuconate semialdehyde hemiacetal dehydrogenase
Senin, 2025-12-22 20:45:23PMID 528534. Maruyama K (February 1983). "Purification and properties of 2-pyrone-4,6-dicarboxylate hydrolase". Journal of Biochemistry. 93 (2): 557–65. doi:10...
Click to read more »Lichexanthone
Minggu, 2026-07-05 08:20:22through a benzophenone intermediate that could dehydrate to yield the central pyrone core of lichexanthone. A standardized high-performance liquid chromatography...
Click to read more »List of MeSH codes (D03)
Sabtu, 2026-07-04 05:08:20nigericin 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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