| 摘要 |
The invention relates to a process for preparing 1,5-benzothiazepine derivatives of formula: <IMAGE> in which R<1> to R<6> are defined, or one of their addition salts with pharmaceutically suitable acids, which have hypotensive, cerebral coronary vasodilatory and/or platelet aggregation inhibitory activities, which consist in subjecting a propionamide derivative of formula: <IMAGE> in which X is a bromine or iodine atom, to an intramolecular cyclisation.
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