Chemical and Pharmaceutical Bulletin
Online ISSN : 1347-5223
Print ISSN : 0009-2363
ISSN-L : 0009-2363
EFFICIENT ASYMMETRIC HYDROGENATION OF IMINES CATALYZED BY A NEUTRAL IRIDIUM(I) COMPLEX OF (4R, 5R)-MOD-DIOP
Toshiaki MORIMOTO, Noriya NAKAJIMA, Kazuo ACHIWA
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Keywords: catalytic asymmetric hydrogenation, imine, iridium(I) complex, chiral bisphosphine ligand, optically active amine, chiral column
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1994 Volume 42 Issue 9 Pages 1951-1953

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Abstract

A neutral iridium(I) complex of (4R, 5R)-MOD-DIOP (1b) was found to be an efficient catalyst for the asymmetric hydrogenation of imines, N-(α-methylbenzylidene)benzylamine (4) and 2, 3, 3-trimethylindolenine (6), in the presence of tetrabutylammonium iodide. A high enantioselectivity with up to 81.4% ee was achieved.

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© The Pharmaceutical Society of Japan
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