VERFAHREN ZUR HERSTELLUNG VON MESYLATEN VON PIPERAZINDERIVATEN
摘要
The invention relates to the mesylates of a group of piperazine derivatives and to a process for the preparation of these mesylates in an economic way in the high yield and of high purity. According to the process of the invention the synthesis of the piperazine ring and the mesylate formation are combined in a single reaction step. The invention relates to the mesylate of compounds of the formula (I) wherein X is a bicyclic heterocyclic phenyl group and Y is methyl, ethyl (optionally substituted with fluorine), cycloalkyl (3-7C) methyl, benzyl or m-phenyl benzyl
申请公布号
AT284875(T)
申请公布日期
2005.01.15
申请号
AT20020719858T
申请日期
2002.02.14
申请人
SOLVAY PHARMACEUTICALS B.V.
发明人
AAR, MARCEL, P.M. VAN;SCHOUTEN, STEFANUS, J.;ZORGDRAGER, JAN;HESLINGA, MICHIEL, C.