[EN] PROCESS FOR PREPARING A SUBSTITUTED IMIDAZOPYRIDINE COMPOUND<br/>[FR] PROCEDE DE PREPARATION D'UN COMPOSE D'IMIDAZOPYRIDINE SUBSTITUE
申请人:ASTRAZENECA AB
公开号:WO2002020523A1
公开(公告)日:2002-03-14
The present invention provides a new process for large-scale preparation of substituted imidazopyridine compound of formula (I) wherein R1 is C1-C6 alkoxy or NH2 group, comprising the step of reacting a compound of formula (2) with a 3-halo-2-butanone compound in cyclohexanone.
Process for Preparing a Substituted Imidazopyridine Compound
申请人:Elman Bjorn
公开号:US20090247755A1
公开(公告)日:2009-10-01
The present invention provides a new process for large-scale preparation of substituted imidazopyridine compound of formula (I) 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.