申请人:Novartis AG
公开号:US06156907A1
公开(公告)日:2000-12-05
The invention relates on the one hand to a novel preparation of compounds of the formula (I) ##STR1## in which R.sub.1 is an aromatic or heteroaromatic radical, aromatic-aliphatic or heteroaromatic-aliphatic radical, a heterocyclic radical, a cycloaliphatic radical, a cycloaliphatic-aliphatic radical or an aliphatic radical, and on the other hand to novel compounds of the formula (I).
这项发明涉及一种新颖的化合物(I)的制备方法,其中R.sub.1是芳香或杂环芳基,芳香-脂肪基或杂环芳-脂肪基,杂环基,环脂基,环脂-脂基或脂基,另一方面涉及一种新颖的化合物(I)。