发明授权
US4937334A Process for the preparation of intermediates for the synthesis of diltiazem 失效
制备用于合成地尔硫卓的中间体的方法

Process for the preparation of intermediates for the synthesis of
diltiazem
摘要:
A process for the preparation of the compound (2S,3S)(+)-3-hydroxy-2,3-dihydro-2-(4-methoxyphenyl)-5-(2-dimethylaminoethyl)-1, 5-benzothiazepin-4(5H)-one is described. Said compound is an intermediate useful in the synthesis of Diltiazem.
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