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Issue 8, 2012
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The first facile stereoselectivity switch in the polymerization of rac-lactide—from heteroselective to isoselective dialkylgallium alkoxides with the help of N-heterocyclic carbenes

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Abstract

The reaction of N-heterocyclic carbene (NHC) with dimeric dialkylgallium alkoxides, acting as nonselective or heteroselective catalysts in the polymerization of rac-LA, leads to highly active and isoselective monomeric Me2Ga(NHC)OR catalysts, resulting for the first time in the facile switch of stereoselectivity.

Graphical abstract: The first facile stereoselectivity switch in the polymerization of rac-lactide—from heteroselective to isoselective dialkylgallium alkoxides with the help of N-heterocyclic carbenes

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Article information


Submitted
29 Sep 2011
Accepted
25 Nov 2011
First published
12 Dec 2011

Chem. Commun., 2012,48, 1171-1173
Article type
Communication

The first facile stereoselectivity switch in the polymerization of rac-lactide—from heteroselective to isoselective dialkylgallium alkoxides with the help of N-heterocyclic carbenes

P. Horeglad, G. Szczepaniak, M. Dranka and J. Zachara, Chem. Commun., 2012, 48, 1171
DOI: 10.1039/C2CC16072B

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