PROCESS FOR PRODUCING PIPERAZINESULFONAMIDE DERIVATIVES AND SALTS THEREOF,申请号JP1998002399-传众专利搜索

PROCESS FOR PRODUCING PIPERAZINESULFONAMIDE DERIVATIVES AND SALTS THEREOF

申请公布号：WO1998055459(P1)

申请号：JP1998002399

申请日期：1998.05.29

申请公布日期：1998.12.10

摘要：<p>A process for advantageously producing compounds of general formula (III), wherein R1 represents hydrogen, alkyl having 1 to 6 carbon atoms, alkoxyl having 1 to 4 carbon atoms, halogen, hydroxyl, trifluoromethyl, nitro or amino; R2 represents substituted or unsubstituted phenyl or pyridyl; R?3 and R4¿ each represents hydrogen, alkyl having 1 to 6 carbon atoms, hydroxyalkyl having 1 to 4 carbon atoms, cycloalkyl having 3 to 8 carbon atoms, or substituted or unsubstituted phenyl; and Y represents alkylene having 1 to 12 carbon atoms, and salts thereof.</p>

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