Title:
高選択的な新規アミド化法
Document Type and Number:
Japanese Patent JP2008501629
Kind Code:
A
Abstract:
The present invention provides an industrial production method with a short process having a high yield of an aliphatic cyclic carboxamide having carboxyl group, which comprises reacting functional group-selectively using an inexpensive condensing agent without protecting the carboxyl group by esterification, that is, reacting carboxylic acid anhydride obtained by reacting carboxylic acid and tertiary carboxylic acid halide with aliphatic cyclic secondary amine having carboxyl group.
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Inventors:
Atsushi Inagaki
Misayo Sera
Misayo Sera
Application Number:
JP2006549745A
Publication Date:
January 24, 2008
Filing Date:
June 10, 2005
Export Citation:
Assignee:
Takeda GmbH
International Classes:
C07D413/06; A61K31/553; A61P3/06; A61P19/00; A61P43/00; C07C51/06; C07C231/02; C07D267/14; C07B53/00
Domestic Patent References:
| JPH09136880A | 1997-05-27 | |||
| JP2002205956A | 2002-07-23 |
Foreign References:
| WO2002088149A2 | 2002-11-07 | |||
| GB2140003A | 1984-11-21 |
Attorney, Agent or Firm:
Mitsuo Tanaka
Hiroshi Yamazaki
Tadayuki Motoyama
Kenji Tomita
Hiroshi Yamazaki
Tadayuki Motoyama
Kenji Tomita