Organocatalyzed enantioselective [3 + 3] annulation for the direct synthesis of conformationally constrained cyclic tryptophan derivatives-Reference-Cited by-同舟云学术

Organocatalyzed enantioselective [3 + 3] annulation for the direct synthesis of conformationally constrained cyclic tryptophan derivatives

Published:2016 Issue:14 Volume:6 Page:11602-11608
ISSN:2046-2069
Container-title:RSC Advances
language:en
Short-container-title:RSC Adv.

Author:

Wu L.-L.¹²³⁴⁵,Zheng Y.¹²³⁴⁵,Wang Y.-M.¹²³⁴⁵,Zhou Z.-H.¹²³⁴⁵

Affiliation:

1. Institute and State Key Laboratory of Elemento-Organic Chemistry

2. Nankai University

3. Tianjin 300071

4. P. R. China

5. Collaborative Innovation Center of Chemical Science and Engineering (Tianjin)

Abstract

Synthesis of optically active conformationally strained β-branched cyclic tryptophan derivatives has been realized via chiral squaramide catalyzed enantioselective formal [3 + 3] annulation of indolin-2-thiones and 4-arylmethylideneoxazolin-5(4H)-ones.

Publisher

Royal Society of Chemistry (RSC)

Subject

General Chemical Engineering,General Chemistry

Link

http://pubs.rsc.org/en/content/articlepdf/2016/RA/C5RA24288F

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