申请人:——
公开号:US20040039013A1
公开(公告)日:2004-02-26
The present invention provides a new process for large-scale preparation of substituted imidazopyridine compound of formula (1) wherein R
1
is C
1
-C
6
alkoxy or NH
2
group, comprising the step of reacting a compound of formula (2) with a 3-halo-2-butanone compound in cyclohexanone.
本发明提供了一种新的大规模制备配体式为(1)的取代咪唑吡啶化合物的工艺,其中R1是C1-C6烷氧基或NH2基团,包括将式(2)的化合物与3-卤代-2-丁酮在环己酮中反应的步骤。