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: In this article, the oxidation of twelve 2-aryl-4H-1-benzopyrans with potassium permanganate in acetone gave the corresponding flavones in excellent yields.
Abstract: The oxidation of twelve 2-aryl-4H-1-benzopyrans with potassium permanganate in acetone gave the corresponding flavones in excellent yields.
15 citations
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08 Dec 1987TL;DR: Herbicidal N-(heterocyclyl)-substitued benzofurans and benzopyrans of the formulae: the symbols have meanings described in the specification as discussed by the authors.
Abstract: Herbicidal N-(heterocyclyl)-substitued benzofurans and benzopyrans of the formulae:
wherein the symbols have meanings described in the specification.
15 citations
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TL;DR: In this paper, a highly catalytic method for the synthesis of dihydrobenzopyrans from salicylaldehydes has been developed, and an extension of this method to pyrano[2,3, b ]benzopsopyran has also been achieved.
15 citations
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15 citations
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TL;DR: The furobenzopyran derivatives (1a, b) and (1b) have been prepared by a simple route from m-methoxy-phenol as discussed by the authors.
Abstract: The furobenzopyran derivatives (1a) and (1b) have been prepared by a simple route from m-methoxy-phenol.
14 citations