Title:
高純度3-(2-置換ビニル)セファロスポリンの製法
Document Type and Number:
Japanese Patent JP2007510709
Kind Code:
A
Abstract:
The present invention relates to a process for preparation of highly pure amorphous and crystalline forms of cefditoren pivoxil and pharmaceutical compositions comprising highly pure amorphous and crystalline forms of cefditoren pivoxil. The present invention also relates to a method of treating infections using highly pure amorphous and crystalline forms of cefditoren pivoxil. The highly pure cefditoren pivoxil has a purity greater than 98.5% and contains less than 1.0% of the E-isomer impurity and less than 1 % of the Delta<2>isomer impurity.
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Inventors:
Kumar, Yatendra
Prasad, Mohan
Thing, Kaptan
Prasad, Ashok
Rikariya, Santos
Prasad, Mohan
Thing, Kaptan
Prasad, Ashok
Rikariya, Santos
Application Number:
JP2006538976A
Publication Date:
April 26, 2007
Filing Date:
November 01, 2004
Export Citation:
Assignee:
Ranbaxy Laboratories Limited
International Classes:
C07D501/56; C07D501/00; C07D501/24
Attorney, Agent or Firm:
Takenori Hiroe
Takanobu Takekawa
High Shinichi Ara
Nakamura Shigenori
Tsutomu Nishio
Takanobu Takekawa
High Shinichi Ara
Nakamura Shigenori
Tsutomu Nishio