Title:
7-アミノ-3-メトキシメチル-3-セフェム-4-カルボン酸の製造方法
Document Type and Number:
Japanese Patent JP3860750
Kind Code:
B2
Abstract:
7-amino-3-methoxymethyl-3-cephem-4-carboxylic acid of formula (I) can be easily prepared by reacting 7-aminocephalosporanic acid of formula (II) with an azeotropic mixture of trimethyl borate and methanol in the presence of methanesulfonic acid:
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Inventors:
Lee Gwang Sung
Lee Jae Hoon
Jang Yong Kil
Park Chun Hyun
Park Goo Sung
Kim Chul Kyun
Lee Jae Hoon
Jang Yong Kil
Park Chun Hyun
Park Goo Sung
Kim Chul Kyun
Application Number:
JP2001530335A
Publication Date:
December 20, 2006
Filing Date:
October 13, 2000
Export Citation:
Assignee:
Hammi Farm. Seeo., LDT.
International Classes:
C07D501/04; C07B61/00; C07D501/00; C07D501/22
Domestic Patent References:
| JP4364188A | ||||
| JP59163387A | ||||
| JP9124635A | ||||
| JP48085545A |
Attorney, Agent or Firm:
Aoyama Aoi
Kyousei Tamura
Kyousei Tamura
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