| 词条 | Pulvinic acid |
| 释义 |
| ImageFile = pulvinic acid.svg | ImageSize = 200px | IUPACName = (2E)-(5-Hydroxy-3-oxo-4-phenyl-2(3H)-furanylidene)(phenyl)acetic acid | OtherNames = |Section1={{Chembox Identifiers | CASNo = 26548-70-9 | PubChem = 3035166 | ChemSpiderID = 2299472 | SMILES = O=C(O)C(=C2/OC(/O)=C(/c1ccccc1)C2=O)/c3ccccc3 | InChI = 1/C18H12O5/c19-15-13(11-7-3-1-4-8-11)18(22)23-16(15)14(17(20)21)12-9-5-2-6-10-12/h1-10,22H,(H,20,21)/b16-14+ | InChIKey = WFZQEWXZFDGFEP-JQIJEIRABX | StdInChI = 1S/C18H12O5/c19-15-13(11-7-3-1-4-8-11)18(22)23-16(15)14(17(20)21)12-9-5-2-6-10-12/h1-10,22H,(H,20,21)/b16-14+ | StdInChIKey = WFZQEWXZFDGFEP-JQIJEIRASA-N |Section2={{Chembox Properties | C=18 | H=12 | O=5 | Appearance = | Density = | MeltingPt = | BoilingPt = | Solubility = |Section3={{Chembox Hazards | MainHazards = | FlashPt = | AutoignitionPt = }}Pulvinic acid is a natural chemical pigment found in some lichens.[1] Dimers of pulvinic acid have been found in the fungi Scleroderma citrinum and Chalciporus piperatus.[2] Hydroxypulvinic acid pigments (pulvinic acid type family of pigments) have been found in Boletus (e.g. Boletus erythropus), Boletinus, Chalciporus, Gyrodon, Leccinum, Pulveroboletus, Suillus (e.g. Suillus luteus, Suillus bovinus, and Suillus grevillei), Paxillus (e.g. Paxillus involutus), Serpula (e.g. Serpula lacrymans), Xerocomus (e.g. Xerocomus chrysenteron), Hygrophoropsis (e.g. Hygrophoropsis aurantiaca), Retiboletus (e.g. Retiboletus nigerrimus), Pulveroboletus (e.g. Pulveroboletus auriflammeus), and are generally characteristic of Boletales. Derivatives and similar pigments of this family include atromentic acid, xerocomic acid, isoxerocomic acid, variegatic acid, variegatorubin, xerocomorubin, chinomethide, methyl bovinate, pulvinone, badion A, norbadion A, bisnorbadiochinone A, pisochinone, and sclerocitrin. See also
References1. ^{{cite journal | doi = 10.1016/j.tet.2008.06.058 | title = Synthesis of vulpinic and pulvinic acids from tetronic acid | year = 2008 | last1 = Bourdreux | first1 = Yann | last2 = Bodio | first2 = Ewen | last3 = Willis | first3 = Catherine | last4 = Billaud | first4 = Célia | last5 = Le Gall | first5 = Thierry | last6 = Mioskowski | first6 = Charles | journal = Tetrahedron | volume = 64 | issue = 37 | pages = 8930–8937}} {{organic-compound-stub}}2. ^{{cite journal |vauthors=Winner M, Giménez A, Schmidt H, Sontag B, Steffan B, Steglich W |title=Unusual pulvinic acid dimers from the common fungi Scleroderma citrinum (common earthball) and Chalciporus piperatus (peppery bolete) |journal=Angewandte Chemie|year=2004 |volume=43 |issue=14 |pages=1883–6 |pmid=15054803 |doi=10.1002/anie.200352529}} 4 : Biological pigments|Carboxylic acids|Furanones|Phenyl compounds |
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