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Title:
光学活性なシクロプロパン化合物の製造方法およびそれに用いる不斉銅錯体
Document Type and Number:
Japanese Patent JP4631369
Kind Code:
B2
Abstract:

To produce a catalyst used for producing an optically active cyclopropane compound with good selectivity.

A method for producing the optically active cyclopropane compound expressed by formula (4) comprises reacting a prochiral olefin expressed by formula (2) with a diazoacetic acid ester expressed by formula (3) in the presence of an asymmetric copper complex which is prepared from an optically active cycloalkylidene bisoxazoline compound expressed by formula (1) and a copper compound.

COPYRIGHT: (C)2005,JPO&NCIPI


Inventors:
Makoto Itagaki
Katsuhisa Masumoto
Ryu Minanda
Application Number:
JP2004271229A
Publication Date:
February 16, 2011
Filing Date:
September 17, 2004
Export Citation:
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Assignee:
Sumitomo Chemical Co., Ltd.
International Classes:
B01J31/22; C07C67/347; C07B53/00; C07B61/00; C07C68/06; C07C69/757; C07C69/96
Domestic Patent References:
JP2003012675A
Other References:
Journal of the American Chemical Society,1991年,Vol.113,p.726-728
Tetrahedron Asymmetry,2003年 4月 4日,Vol.14,p.867-872
Attorney, Agent or Firm:
Toru Nakayama