[EN] PROCESS FOR THE MANUFACTURING OF CCR3 INHIBITORS<br/>[FR] PROCÉDÉ DE FABRICATION D'INHIBITEURS DE CCR3
申请人:BOEHRINGER INGELHEIM INT
公开号:WO2013149926A1
公开(公告)日:2013-10-10
The present invention relates to a process for preparing CCR3 inhibitors of formula (1), wherein R1 is H, C1-6-alkyl, C0-4-alkyl-C3-6-cycloalkyl, C1-6-haloalkyl; R2 is H, C1-6-alkyl; Xis an anion selected from the group consisting of chloride or ½ dibenzoyltartrate; j is 1 or 2.
本发明涉及一种制备式(1)的CCR3抑制剂的方法,其中R1为H,C1-6-烷基,C0-4-烷基-C3-6-环烷基,C1-6-卤代烷基;R2为H,C1-6-烷基;X为氯离子或1/2苯二甲酰酒石酸根离子中选择的一种;j为1或2。