Issue 23, 2010
From the journal:

Chemical Communications

Platinum-catalyzed cycloisomerization of 1,4-enynes viaactivation of a sp3-hybridized C–H bond†

Dhananjayan Vasu,a   Arindam Dasa  and  Rai-Shung Liu*a  

* Corresponding authors

a Department of Chemistry, National Tsing Hua University, Hsinchu, Taiwan (ROC)
E-mail: rsliu@mx.nthu.edu.tw
Fax: (+886) 3-5711082

Abstract

We report the cycloisomerization of 1-alkenyl-1-alkynylcyclopropanes to cyclooctatriene products catalyzed by PtCl2/CO in hot xylene. In contrast to the reported enyne cycloisomerization, this 1,4-enyne cycloisomerization proceeds via an atypical addition of the allyl carbon to the alkyne in a 6-endo-dig cyclization.

Graphical abstract: Platinum-catalyzed cycloisomerization of 1,4-enynes via activation of a sp3-hybridized C–H bond

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Article information

DOI
https://doi.org/10.1039/C0CC00071J
Article type
Communication
Submitted
24 Feb 2010
Accepted
31 Mar 2010
First published
29 Apr 2010

Chem. Commun., 2010,46, 4115-4117

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Platinum-catalyzed cycloisomerization of 1,4-enynes via activation of a sp3-hybridized C–H bond

D. Vasu, A. Das and R. Liu, Chem. Commun., 2010, 46, 4115 DOI: 10.1039/C0CC00071J

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