Title:
5位で置換されたべンゾフラン誘導体の調製方法
Document Type and Number:
Japanese Patent JP2013533267
Kind Code:
A
Abstract:
The disclosure relates to a process for preparing benzofuran derivatives of general formula I: in which R, R1, and R2 are as defined in the disclosure; by coupling the hydroxylamine with a diketone of general formula III: in order to form an oxime that is then cyclized by heating in order to form the desired compound.
Inventors:
Bailly, frederik
Bonn, Xavier
Byron, Philip
Bonn, Xavier
Byron, Philip
Application Number:
JP2013520191A
Publication Date:
August 22, 2013
Filing Date:
July 20, 2011
Export Citation:
Assignee:
SANOFI
International Classes:
C07D307/80; C07C217/22; C07C225/16; C07C213/08; C07C221/00
Domestic Patent References:
| JP2013521264A | 2013-06-10 |
Foreign References:
| WO2010040261A1 | 2010-04-15 | |||
| WO2009044143A2 | 2009-04-09 | |||
| WO2010038029A1 | 2010-04-08 |
Attorney, Agent or Firm:
Kawaguchi International Patent Office