Phosphine-catalyzed [4+1] annulation of 2-tosylaminochalcones with allenoates: synthesis of trans-2,3-disubstitued indolines

Zhenzhen Gao; Chang Wang; Chunhao Yuan; Leijie Zhou; Yumei Xiao; Hongchao Guo

doi:10.1039/C5CC04279H

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Phosphine-catalyzed [4+1] annulation of 2-tosylaminochalcones with allenoates: synthesis of trans-2,3-disubstitued indolines†

Zhenzhen Gao,^a Chang Wang,^a Chunhao Yuan,^a Leijie Zhou,^a Yumei Xiao*^a and Hongchao Guo*^a

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* Corresponding authors

^a Department of Applied Chemistry, China Agricultural University, Beijing 100193, China
E-mail: xiaoyumei23@126.com, hchguo@cau.edu.cn

Abstract

Phosphine-catalyzed [4+1] annulation of 2-tosylaminochalcones with allenoates has been achieved, giving trans-2,3-disubstitued indolines as major diastereoisomers in moderate to good yields.

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DOI: https://doi.org/10.1039/C5CC04279H
Article type: Communication
Submitted: 25 May 2015
Accepted: 02 Jul 2015
First published: 06 Jul 2015

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Chem. Commun., 2015,51, 12653-12656

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Phosphine-catalyzed [4+1] annulation of 2-tosylaminochalcones with allenoates: synthesis of trans-2,3-disubstitued indolines

Z. Gao, C. Wang, C. Yuan, L. Zhou, Y. Xiao and H. Guo, Chem. Commun., 2015, 51, 12653 DOI: 10.1039/C5CC04279H

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Chemical Communications

Phosphine-catalyzed [4+1] annulation of 2-tosylaminochalcones with allenoates: synthesis of trans-2,3-disubstitued indolines†

Abstract

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Phosphine-catalyzed [4+1] annulation of 2-tosylaminochalcones with allenoates: synthesis of trans-2,3-disubstitued indolines

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