pulvinic acid

acetic acid, (3-hydroxy-5-oxo-4-phenyl-2(5H)-furylidene)phenyl- benzeneacetic acid, alpha-(3-hydroxy-5-oxo-4-phenyl-2(5H)-furanylidene)-, (E)- (9CI) delta(sup 2(5H),alpha)- furanacetic acid, 3-hydroxy-5-oxo-alpha,4-diphenyl- 2,4- hexadienedioic acid, 3,4-dihydroxy-2,5-diphenyl-, gamma-lactone (E)-alpha-(3- hydroxy-5-oxo-4-phenyl-2(5H)-furanylidene) benzene acetic acid (2E)-2-(3- hydroxy-5-oxo-4-phenylfuran-2-ylidene)-2-phenylacetic acid pulvic acid PubMed: Development of models for prediction of the antioxidant activity of derivatives of natural compounds. PubMed: UV-protectant metabolites from lichens and their symbiotic partners. PubMed: Design and synthesis of new antioxidants predicted by the model developed on a set of pulvinic acid derivatives. PubMed: Synthesis and radioprotective properties of pulvinic acid derivatives. PubMed: Synthesis and antioxidant properties of pulvinic acids analogues. PubMed: Norbadione a: kinetics and thermodynamics of cesium uptake in aqueous and alcoholic media. PubMed: Chemical constituents of the lichen, Candelaria concolor: a complete NMR and chemical degradative investigation. PubMed: In vitro inhibitory effects of pulvinic acid derivatives isolated from Chinese edible mushrooms, Boletus calopus and Suillus bovinus, on cytochrome P450 activity. PubMed: Evaluation of antioxidant properties of monoaromatic derivatives of pulvinic acids. PubMed: Synthesis of pulvinic derivatives via TBAF-mediated regioselective opening of an unsymmetrical monoaromatic pulvinic dilactone. PubMed: Dissociation and metal-binding characteristics of yellow lichen substances suggest a relationship with site preferences of lichens. PubMed: Mollusc grazing may constrain the ecological niche of the old forest lichen Pseudocyphellaria crocata. PubMed: Conformational and Cs+ complexation properties of norbadione-A: a molecular modeling study. PubMed: Interactions of sterile-cultured lichen-forming ascomycetes with asbestos fibres. PubMed: Pinastric acid revisited: a complete NMR and X-ray structure assignment. PubMed: Dichlorinated pulvinic acid derivative from a Malaysian Scleroderma sp. PubMed: Pulvinones as bacterial cell wall biosynthesis inhibitors. PubMed: High-throughput evaluation of antioxidant and pro-oxidant activities of polyphenols with thymidine protection assays. PubMed: Raman spectroscopy of hot desert, high altitude epilithic lichens. PubMed: Uncatalyzed reaction of silyl ketene acetals with oxalyl chloride: a straightforward preparation of symmetrical pulvinic acids. PubMed: Unusual pulvinic acid dimers from the common fungi Scleroderma citrinum (common earthball) and Chalciporus piperatus (peppery bolete). PubMed: Norbadione A: synthetic approach to the bis(pulvinic acid) moiety and cesium-complexation studies. PubMed: Simple method for reversed-phase high-performance liquid chromatographic analysis of fungal pigments in fruit-bodies of Boletales (Fungi). PubMed: Pharmaceutically relevant metabolites from lichens. PubMed: [Mushroom pigments. 3. Xerocomic acid and gomphidic acid, 2 chemotaxonomically interesting pulvinic acid derivatives from Gomphidius glutinosus (Schff) Fr]. PubMed: [New pulvinic acid derivatives from Xerocomus chrysenteron (Bull. ex St. Amans) Quel. and studies on the question of the occurrence of anthraquinone pigments in boletaceae].