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Title:
PROCESS FOR SYNTHESIZING $g(b)-LACTAM
Document Type and Number:
WIPO Patent Application WO/2002/050025
Kind Code:
A1
Abstract:
A process for synthesizing a $g(b)-lactam in water at a high temperature under a high pressure; and a process for producing a $g(b)-lactam. Namely, a process for synthesizing a ß-lactam characterized by reacting a$g(b)-amino acid in water at a high temperature under a high pressure, wherein the $g(b)-lactam is synthesized at a high rate by cyclizing the $g(b)-amino acid in water at a high temperature of 200 °C or more under a high pressure of 10 Mpa or more; and a process for producing a $g(b)-lactam characterized by synthesizing the $g(b)-lactam by reacting a $g(b)-amino acid in water at a high temperature under a high pressure and then separating and purifying the $g(b)-lactam with the use of a column separating agent.

Inventors:
HATAKEDA KIYOTAKA (JP)
SATO OSAMU (JP)
KANAKUBO MITSUHIRO (JP)
IKUSHIMA YUTAKA (JP)
TORII KAZUO (JP)
Application Number:
PCT/JP2001/001759
Publication Date:
June 27, 2002
Filing Date:
March 07, 2001
Export Citation:
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Assignee:
NAT INST OF ADVANCED IND SCIEN (JP)
HATAKEDA KIYOTAKA (JP)
SATO OSAMU (JP)
KANAKUBO MITSUHIRO (JP)
IKUSHIMA YUTAKA (JP)
TORII KAZUO (JP)
International Classes:
C07D201/08; C07D205/08; (IPC1-7): C07D201/08; C07D205/08
Foreign References:
JPS57159758A1982-10-01
JPS58144367A1983-08-27
JPS499473B11974-03-05
JPS4710715B11972-03-30
GB1268869A1972-03-29
Other References:
See also references of EP 1346981A4
Attorney, Agent or Firm:
Sudo, Masahiko (Nihonbashi-Muromachi 1-chome Chuo-ku, Tokyo, JP)
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