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ChemInform Abstract: Copper-Catalyzed Hydrocarboxylation of Alkynes Using Carbon Dioxide and Hydrosilanes.

✍ Scribed by Tetsuaki Fujihara; Tinghua Xu; Kazuhiko Semba; Jun Terao; Yasushi Tsuji

Publisher
John Wiley and Sons
Year
2011
Weight
60 KB
Volume
42
Category
Article
ISSN
0931-7597

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✦ Synopsis

Abstract

Copper complexes (I) bearing an N‐heterocyclic carbene ligand are efficient catalysts for the hydrocarboxylation of unsymmetrical or symmetrical alkynes using SiH(OEt)~3~ as reducing agent to give Ξ±,β‐unsaturated carboxylic acids as (E)‐isomers.

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## In memory of Xinwei Ma Activation of carbon dioxide and converting it into useful chemical feedstock have attracted much attention owing to the fact that CO 2 is abundant, inexpensive, nontoxic, and environmentally benign. [1] However, the challenges still to be overcome are its lack of thermod