发明公开
EP2834229A1 PROCESS FOR THE MANUFACTURING OF CCR3 INHIBITORS 有权
VERFAHREN ZUR HERSTELLUNG VON CCR3-INHIBITOREN

PROCESS FOR THE MANUFACTURING OF CCR3 INHIBITORS
摘要:
The present invention relates to a process for preparing CCR3 inhibitors of formula (1), wherein R
1 is H, C
1-6 -alkyl, C
0-4 -alkyl-C
3-6 -cycloalkyl, C
1-6 -haloalkyl; R
2 is H, C
1-6 -alkyl; Xis an anion selected from the group consisting of chloride or ½ dibenzoyltartrate; j is 1 or 2.
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