ChemInform Abstract: Benzopyran Derivati
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S. PIACENTE; N. H. HERNANDEZ; F. DE SIMONE; O. LOCK DE UGAZ; C. PIZZA
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Article
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2010
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John Wiley and Sons
β 27 KB
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Benzopyran Derivatives from Werneria nubigena. -The structures of new chromanone (I) and rare chromene (II), both isolated from the aerial parts of title species together with p-hydroxyacetophenone and quinic acid derivatives and pyrrolizidine alkaloids, are elucidated by spectroscopic methods.