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Issue 4, 2018
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1,6-Conjugated addition-mediated [4 + 1] annulation: an approach to 2,3-dihydrobenzofurans

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Abstract

A formal 1,6-conjugated addition-mediated [4 + 1] annulation of ortho-hydroxyphenyl-substituted para-quinone methides with sulfonium or ammonium bromides has been described. This domino-type process offered an efficient method for the synthesis of 2,3-dihydrobenzofurans in good yields, exhibiting good functional group tolerance, scalability and high diastereoselectivity.

Graphical abstract: 1,6-Conjugated addition-mediated [4 + 1] annulation: an approach to 2,3-dihydrobenzofurans

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Publication details

The article was received on 18 Sep 2017, accepted on 06 Nov 2017 and first published on 07 Nov 2017


Article type: Research Article
DOI: 10.1039/C7QO00846E
Org. Chem. Front., 2018,5, 623-628

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    1,6-Conjugated addition-mediated [4 + 1] annulation: an approach to 2,3-dihydrobenzofurans

    L. Liu, Z. Yuan, R. Pan, Y. Zeng, A. Lin, H. Yao and Y. Huang, Org. Chem. Front., 2018, 5, 623
    DOI: 10.1039/C7QO00846E

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