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Regio- and stereoselectivity in the concatenated enyne cross metathesis-metallotropic 1,3 -shift of terminal 1,3-diyne.

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posted on 09.01.2018 by K.-P. Wang, E.J. Cho, S.Y. Yun, J.Y. Rheea, D. Lee
Enyne cross metathesis of terminal 1,3-diynes with various alkenes afforded two products of distinctive connectivity, as the result of a uniform mode of initiation but different modes of termination events with or without metallotropic [1,3]-shift. Steric and electronic factors of the substituents on the 1,3-diynes play an important role in controlling the metallotropic [1,3]-shift of the propagating alkylidene intermediates and their regioselective trapping to the final products. © 2013 Elsevier Ltd. All rights reserved.

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We are grateful to the University of Illinois at Chicago for the financial support.

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Publisher Statement

Post print version of article may differ from published version. This is an electronic version of an article published in Regio- and stereoselectivity in the concatenated enyne cross metathesis-metallotropic 1,3 -shift of terminal 1,3-diyne. Tetrahedron Volume 69, Issue 43, 28 October 2013, Pages 9105-9110. Tetrahedron is available online at: http://www.informaworld.com/smpp/DOI: 10.1016/j.tet.2013.08.024

Publisher

Elsevier Inc.

issn

0040-4020)

Issue date

20/08/2013

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