An Efficient Copper−Aluminum Hydrotalcite Catalyst for Asymmetric Hydrosilylation of Ketones at Room Temperature

A catalyst system consisting of a copper−aluminum hydrotalcite−chiral diphosphine ligand effects asymmetric hydrosilylation of several ketones, using polymethylhydrosiloxane (PMHS) as the stoichiometric reducing agent at room temperature, with moderate-to-excellent enantioselectivities. The catalyst...

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Published in:Organic letters 2008-07, Vol.10 (14), p.2979-2982
Main Authors: Kantam, M. Lakshmi, Laha, Soumi, Yadav, Jagjit, Likhar, Pravin R, Sreedhar, Bojja, Jha, Shailendra, Bhargava, Suresh, Udayakiran, M, Jagadeesh, B
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cited_by cdi_FETCH-LOGICAL-a348t-2c7095d4238e785e124db65c3060bf77aa7c8cd820ea02eee5f9f83faee90f963
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container_end_page 2982
container_issue 14
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container_title Organic letters
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creator Kantam, M. Lakshmi
Laha, Soumi
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Jha, Shailendra
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Udayakiran, M
Jagadeesh, B
description A catalyst system consisting of a copper−aluminum hydrotalcite−chiral diphosphine ligand effects asymmetric hydrosilylation of several ketones, using polymethylhydrosiloxane (PMHS) as the stoichiometric reducing agent at room temperature, with moderate-to-excellent enantioselectivities. The catalyst is recovered by simple centrifugation, and the efficiency of the catalyst remains almost unaltered even after several cycles.
doi_str_mv 10.1021/ol800616p
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title An Efficient Copper−Aluminum Hydrotalcite Catalyst for Asymmetric Hydrosilylation of Ketones at Room Temperature
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