申请人:Boehringer Mannheim GmbH
公开号:US05698541A1
公开(公告)日:1997-12-16
The invention concerns compounds of the general formula I ##STR1## in which R denotes a lower alkyl which can be substituted if desired by hydroxy, alkoxy, amino, dialkylamino, alkylmercapto, alkylsulfinyl, alkanesulfonyl, cycloalkyl, aryl or a heterocyclic ring, or it denotes lower alkenyl, cycloalkyl, cycloalkenyl, aryl or a heterocyclic ring and R.sub.1 and R.sub.2 can be, independently of one another, hydrogen, lower alkyl, cycloalkyl, aryl or arylmethyl, their optically active salts as well as their pharmacologically acceptable salts, processes for their production as well as pharmaceutical agents which contain these compounds for treating diseases of calcium metabolism. Moreover the invention concerns compounds of formula II as intermediate products for the production of compounds of formula I.
该发明涉及一般式I的化合物##STR1##其中R表示可以被羟基、烷氧基、氨基、二烷基氨基、烷基硫醇基、烷基亚砜基、烷烷基磺酰基、环烷基、芳基或杂环状环取代的较低烷基,或者表示较低烯基、环烷基、环烯基、芳基或杂环状环,R.sub.1和R.sub.2可以独立地是氢、较低烷基、环烷基、芳基或芳基甲基,它们的光学活性盐以及其药理学上可接受的盐,以及用于治疗钙代谢疾病的含有这些化合物的药物制剂的生产方法。此外,该发明涉及一般式II的化合物作为一般式I化合物的中间体产品的生产。