Title:
スルファミンカルボン酸誘導体の製造方法
Document Type and Number:
Japanese Patent JP4502280
Kind Code:
B2
Abstract:
Disclosed is a process for the preparation of Compound (III), salt or solvate thereof by reacting Compound (I), salt or solvate thereof with Compound (II) in a toluene solvent in the presence of an additive such as water or an alcohol. Also disclosed is a process for the preparation of Compound (IV) comprising hydrolyzing the obtained Compound (III) if necessary, and then oxidizing. In the formula, R1 is hydrogen, optionally substituted lower alkyl, optionally substituted aryl or optionally substituted aryl lower alkyl, and R2 is optionally substituted lower alkyl, optionally substituted cycloalkyl or optionally substituted aryl lower alkyl.
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Inventors:
Toshiaki Masui
Kazuhiro Yoshida
Kazuhiro Yoshida
Application Number:
JP2007512831A
Publication Date:
July 14, 2010
Filing Date:
March 30, 2006
Export Citation:
Assignee:
Shionogi Pharmaceutical Co., Ltd.
International Classes:
C07C303/36; C07C313/06; C07C303/40; C07C311/07
Foreign References:
| WO2001037826A1 | 2001-05-31 | |||
| WO2005080348A1 | 2005-09-01 | |||
| WO2003076374A1 | 2003-09-18 |
Attorney, Agent or Firm:
Kenichi Sugita
Hiromitsu Takayama
Hiromitsu Takayama