发明名称 Process for the preparation of intermediates for the synthesis of diltiazem.
摘要 Compound of formula III, which is an intermediate in the synthesis of diltiazem, is prepared by N-alkylation of the corresponding N-H derivative with 2-dimethylaminoethanol in an inert solvant and in presence of methanesulphonyl chloride and a base. <CHEM> e
申请公布号 EP0355395(A1) 申请公布日期 1990.02.28
申请号 EP19890113136 申请日期 1989.07.18
申请人 ZAMBON GROUP S.P.A. 发明人 CAVICCHIOLI, SILVIA;PAIOCCHI, MAURIZIO;GIORDANO, CLAUDIO
分类号 A61K31/554;C07D281/10 主分类号 A61K31/554
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