Title:
METHOD FOR PRODUCING 1-METHYLCARBAPENEM PRODUCTION INTERMEDIATE
Document Type and Number:
WIPO Patent Application WO/2008/020597
Kind Code:
A1
Abstract:
Disclosed is a method for producing a commercially suitable 1-methylcarbapenem production intermediate (II), which does not comprise a complicated step, while using low-cost raw material. Specifically disclosed is a method for producing an 1-methylcarbapenem production intermediate (II), wherein a compound represented by the general formula (I) below is reacted with imidazole, then reacted with a malonic acid ester, and finally if necessary, subjected to diazotization.
Inventors:
OKUE MASAYUKI (JP)
TAKAHASHI MASAAKI (JP)
ISHIKAWA ICHIRO (JP)
ITO NOBUO (JP)
YAMAGUCHI HITOSHI (JP)
SUMI SHINJIRO (JP)
AJITO KEIICHI (JP)
TAKAHASHI MASAAKI (JP)
ISHIKAWA ICHIRO (JP)
ITO NOBUO (JP)
YAMAGUCHI HITOSHI (JP)
SUMI SHINJIRO (JP)
AJITO KEIICHI (JP)
Application Number:
PCT/JP2007/065896
Publication Date:
February 21, 2008
Filing Date:
August 15, 2007
Export Citation:
Assignee:
MEIJI SEIKA KAISHA (JP)
OKUE MASAYUKI (JP)
TAKAHASHI MASAAKI (JP)
ISHIKAWA ICHIRO (JP)
ITO NOBUO (JP)
YAMAGUCHI HITOSHI (JP)
SUMI SHINJIRO (JP)
AJITO KEIICHI (JP)
OKUE MASAYUKI (JP)
TAKAHASHI MASAAKI (JP)
ISHIKAWA ICHIRO (JP)
ITO NOBUO (JP)
YAMAGUCHI HITOSHI (JP)
SUMI SHINJIRO (JP)
AJITO KEIICHI (JP)
International Classes:
C07D205/08; C07F7/18
Domestic Patent References:
| WO1993013064A1 | 1993-07-08 |
Foreign References:
| JPS63284176A | 1988-11-21 | |||
| JPH1087657A | 1998-04-07 | |||
| JPH0543575A | 1993-02-23 | |||
| JPH0782249A | 1995-03-28 |
Attorney, Agent or Firm:
YOSHITAKE, Kenji et al. (Room 323 Fuji Bldg.,2-3, Marunouchi 3-chom, Chiyoda-ku Tokyo, JP)
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