Title:
【発明の名称】三環式化合物の調製において有用な中間体の合成
Document Type and Number:
Japanese Patent JP3476838
Kind Code:
B2
Abstract:
The invention relates to a process for preparing a compound of formula (I), comprising reacting a bromo-substituted pyridine with an amine of the formula NHR<5>R<6>, reacting the resulting amide with an iodo-halomethyl-substituted compound and cyclizing the resultant product, wherein R, R<1>, R<2>, R<3> and R<4> are as defined in the specification; also claimed are a compound of formula (a), and a process for preparing it from the corresponding halo-substituted benzoic acid.
Inventors:
Chen, Shin
Polier, mark
Won, E-Shin
U, Gun-Zhong
Polier, mark
Won, E-Shin
U, Gun-Zhong
Application Number:
JP54447898A
Publication Date:
December 10, 2003
Filing Date:
March 23, 1998
Export Citation:
Assignee:
Schering Corporation
International Classes:
C07C17/093; C07C17/16; C07C25/02; C07C25/06; C07C33/46; C07D213/81; C07D221/16; (IPC1-7): C07D221/16; C07C17/093; C07C25/06
Domestic Patent References:
| JP57176980A | ||||
| JP5573640A |
Attorney, Agent or Firm:
Shusaku Yamamoto