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Microwave assisted domino heck cyclization and alkynylation: synthesis of alkyne substituted dihydrobenzofurans

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Abstract

Microwave assisted domino intramolecular Heck and Sonogashira coupling for the efficient synthesis of alkyne substituted dihydrobenzofurans is presented. Interestingly, the strategy showed broad substrate scope and was successful with protecting group free functionalities of acetylenes. Gratifyingly, all products were obtained, in excellent to near quantitative yields, in a short span of time.

Graphical abstract: Microwave assisted domino heck cyclization and alkynylation: synthesis of alkyne substituted dihydrobenzofurans

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Publication details

The article was received on 25 Aug 2017, accepted on 26 Oct 2017 and first published on 27 Oct 2017


Article type: Communication
DOI: 10.1039/C7GC02606D
Citation: Green Chem., 2018, Advance Article
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    Microwave assisted domino heck cyclization and alkynylation: synthesis of alkyne substituted dihydrobenzofurans

    R. Karu and S. Gedu, Green Chem., 2018, Advance Article , DOI: 10.1039/C7GC02606D

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