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Issue 9, 2007
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Ligand accelerated indium(iii)-catalyzed asymmetric alkynylation of aldehydes with 2-methyl-3-butyn-2-ol as an ethyne equivalent donor

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Abstract

Indium(III)-catalyzed asymmetric alkynylation of aryl, heteroaryl, alkyl and alkenyl aldehydes with 2-methyl-3-butyn-2-ol as an ethyne equivalent donor was realized, and products were obtained in moderate to good yields (up to 97%) and high enantioselectivities (up to 99% ee) using 2–10 mol% of catalyst.

Graphical abstract: Ligand accelerated indium(iii)-catalyzed asymmetric alkynylation of aldehydes with 2-methyl-3-butyn-2-ol as an ethyne equivalent donor

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Article information


Submitted
13 Oct 2006
Accepted
10 Nov 2006
First published
01 Dec 2006

Chem. Commun., 2007, 948-950
Article type
Communication

Ligand accelerated indium(III)-catalyzed asymmetric alkynylation of aldehydes with 2-methyl-3-butyn-2-ol as an ethyne equivalent donor

S. Harada, R. Takita, T. Ohshima, S. Matsunaga and M. Shibasaki, Chem. Commun., 2007, 948 DOI: 10.1039/B614958H

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