PROCESS FOR MAKING MONTELUKAST AND INTERMEDIATES THEREFOR
申请人:Benovsky Petr
公开号:US20070135480A1
公开(公告)日:2007-06-14
A compound of the following formula
wherein R′ is a straight or branched C1-C4 alkyl group is useful in processes associated with the synthesis of montelukast and its salts.