Journal of the Chemical Society. Perkin transactions I p. 2039 - 2044 (1985)
Update date:2022-08-04
Topics:
Itsuno, Shinichi
Nakano, Michio
Miyazaki, Koji
Masuda, Hirofumi
Ito, Koichi
et al.
The asymmetric reduction of aromatic and aliphatic ketones, halogeno ketones, keto esters, and ketone oxime ethers with reagents prepared from borane and chiral amino alcohols has been investigated.When α,α-diphenyl-β-amino alcohols, such as (2S,3R)-(-)-2-amino-3-methyl-1,1-diphenylpentanol (2d), were used as a chiral auxiliary, very high enantioselectivities (ca. 90percent e.e.) were obtained in the reduction of various ketones and oxime ethers.
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