Journal ArticleDOI
Acid catalysis of the Claisen rearrangement. 2. Formation of the benzofurobenzopyran and benzofuro[3,2-b]benzofuran skeletons from 1,4-bis(aryloxy)-2-butynes
Dallas K. Bates,Michael C. Jones +1 more
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This article is published in Journal of Organic Chemistry.The article was published on 1978-09-01. It has received 27 citations till now. The article focuses on the topics: Claisen rearrangement & Benzofuran.read more
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Catalysis of the Claisen rearrangement
Journal ArticleDOI
Synthesis, stereochemistry, structural classification, and chemical reactivity of natural pterocarpans.
Journal ArticleDOI
Catalysis by ionic liquid. A green protocol for the stereoselective debromination of vicinal-dibromides by [pmIm]BF4 under microwave irradiation.
Brindaban C. Ranu,Ranjan Jana +1 more
TL;DR: An easily accessible ionic liquid, 1-methyl-3-pentylimidazolium fluoroborate, [pmIm]BF4, has been demonstrated to be an efficient catalyst as well as reaction medium for the stereoselective debromination of a variety of structurally diverse vicinal-dibromides to the corresponding (E)-alkenes in high yields under microwave irradiation.
Journal ArticleDOI
Thiophenol-catalyzed Claisen rearrangement and radical cyclization: formation of furo- and pyrano-coumarin derivatives
TL;DR: In this article, the synthesis of dihydrofurocoumarins and dihydropyranocoumarin in excellent yields from 4-prop-2-ynyloxy coumarin via a thiol mediated radical reaction is described.