Title:
PROCESS FOR PREPARING CARBOXYLIC ACID AMIDES
Document Type and Number:
WIPO Patent Application WO/2002/055482
Kind Code:
A1
Abstract:
A process of preparing a carboxylic acid amide by reacting a carboxylic acid with an amino compound in the presence of an alkanephosphonic anhydride and an N-alkylimidazole. This process enables efficient preparation of carboxylic acid amides useful drugs or intermediates of drugs.
Inventors:
OOYAMA JO (JP)
TANABE HIDEO (JP)
HARASHIMA SUSUMU (JP)
TANABE HIDEO (JP)
HARASHIMA SUSUMU (JP)
Application Number:
PCT/JP2001/011580
Publication Date:
July 18, 2002
Filing Date:
December 27, 2001
Export Citation:
Assignee:
SANKYO CO (JP)
OOYAMA JO (JP)
TANABE HIDEO (JP)
HARASHIMA SUSUMU (JP)
OOYAMA JO (JP)
TANABE HIDEO (JP)
HARASHIMA SUSUMU (JP)
International Classes:
C07C231/02; (IPC1-7): C07C231/02; C07C233/00; C07D263/04; C07D277/12; C07D277/14; C07D295/20
Foreign References:
| JPH1059994A | 1998-03-03 | |||
| EP1160236A2 | 2001-12-05 |
Attorney, Agent or Firm:
Nakamura, Minoru (Marunouchi 3-Chome Chiyoda-ku, Tokyo, JP)
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