Title:
【発明の名称】新規なジイソピノカンフェイルクロロボランの製造方法
Document Type and Number:
Japanese Patent JPH10504307
Kind Code:
A
Abstract:
The present invention relates to an improved process for the in situ preparation of diisopinocampheylchloroborane which comprises reacting sodium borohydride and boron trichloride with alpha -pinene. The diisopinocampheylchloroborane thus obtained may be used, without isolation, to reduce prochiral ketones to their corresponding alcohols in high optical purity.
Inventors:
King, Anthony On-Pin
Larsen, Robert Day
Barthoven, Thomas Earl
Tsuao, Manjiyu
Larsen, Robert Day
Barthoven, Thomas Earl
Tsuao, Manjiyu
Application Number:
JP50741696A
Publication Date:
April 28, 1998
Filing Date:
August 07, 1995
Export Citation:
Assignee:
Merck End Company, Inc.
International Classes:
C07B41/02; C07B41/06; C07B53/00; C07D215/14; C07D215/18; C07D417/06; C07D495/04; C07F5/02; (IPC1-7): C07F5/02; C07B41/02; C07B53/00
Attorney, Agent or Firm:
Yoshio Kawaguchi (3 outside)