Structure determination of the cobalt(III) complex catalyst for enantioselective borohydride reduction

Tatsuyuki Tsubo, Minako Yokomori, Hsiu Hui Chen, Keiko Komori-Orisaku, Satoshi Kikuchi, Yoshihiro Koide, Tohru Yamada

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Abstract

The structure of the reactie cobalt complex catalyst for the enantioselective borohydride reduction of ketones was completely determined by ESI-MS, NMR, and X-ray analyses. It was confirmed that as an axial ligand, 1-chlorovinyl group derived from 1, 1, 1-trichloroethane was attached. Based on the X-ray analysis, two rotamers on cobaltcarbon bond were found in one unit. The obtained 1-chlorovinylcobalt(III) complex was examined for the enantioselective reduction to afford the reduced product in high yield with a high enantioselectivity.

Original languageEnglish
Pages (from-to)783-785
Number of pages3
JournalChemistry Letters
Volume41
Issue number8
DOIs
Publication statusPublished - 2012 Aug 6

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ASJC Scopus subject areas

  • Chemistry(all)

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