Title:
【発明の名称】鏡像異性選択的オキサアザボロリジン触媒
Document Type and Number:
Japanese Patent JP2706851
Kind Code:
B2
Abstract:
The anantoselective borane reduction of prochiral ketones to optically pure alcohols is effectively achieved by performing the reduction in the precence of catalytic amounts of the new and valuable oxazaborolidine compounds of formulas (I) and (II). The compounds of formulas (I) and (II) may be isolated and purified prior to use in the reduction reactions or the compounds of formulas (I) and (II) may be generated in situ.
Inventors:
Quarrich, George, Jay.
Application Number:
JP51844094A
Publication Date:
January 28, 1998
Filing Date:
April 12, 1994
Export Citation:
Assignee:
Pfizer Inc.
International Classes:
B01J31/02; B01J31/14; C07B53/00; C07B61/00; C07C29/143; C07C35/23; C07C213/00; C07C215/30; C07F5/02; (IPC1-7): C07F5/02; B01J31/14; C07B53/00
Attorney, Agent or Firm:
Hiroshi Kobayashi