Topic
Benzopyrans
About: Benzopyrans is a research topic. Over the lifetime, 694 publications have been published within this topic receiving 8830 citations.
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TL;DR: The benzopyrans 1 and 2 showed weak in vitro antifungal activity against Cladosporium sphaerospermum and C. cladosporioides and were evaluated for their potential effects on mammalian cell line proliferation.
50 citations
TL;DR: From the aerial parts of Hypericum polyanthemum Klotzsch ex Reichardt (Guttiferae), three chromenes, 6-isobutyryl-5,7-dimethoxy-2,2-dimethyl-benzopyran; 7-hydroxy-6-isOButyry l-5-methoxy -2, 2-dimethylfluorocarbonan and 5-hydroxymethoxy 2,
50 citations
TL;DR: 2-Aryl-3-hydroxy-2-cyclohexenones are shown to be competent substrates for palladium- and ruthenium-catalyzed C-H alkenylation reactions with terminal alkenes, providing, in most cases, benzopyrans.
49 citations
TL;DR: Stable oxapalladacycles have been prepared and converted into a series of highly functionalized 2H-1-benzopyrans via regioselective insertion of activated alkynes.
49 citations
Patent•
04 Nov 1987TL;DR: Isoflavans of the formula I ##STR1## wherein the groups OR, R', R" and ring B are as defined in the specification, exhibit valuable pharmacological properties, especially for the treatment of vascular diseases as mentioned in this paper.
Abstract: Isoflavans of the formula I ##STR1## wherein the groups OR, R', R" and ring B are as defined in the specification, exhibit valuable pharmacological properties, especially for the treatment of vascular diseases. They are prepared by methods known per se.
47 citations