Process for the preparation of a Compound of formula I in the form of a single stereoisomer in crystalline form, comprising deprotecting the amine group in a Compound of formula IIa or in a mixture of a compound of formula IIa With a compound of formula IIb and isolating a Compound of formula I from the reaction mixture; Compounds and salts of Compounds of formula I in crystalline form; pharmaceutical compositions comprising such salts; processes for the preparation of intermediates and intermediates in a process for the preparation of a Compound of formula I.
在结晶形式中制备公式I化合物的单立体异构体的方法包括
脱保护公式IIa化合物中的胺基或在公式IIa化合物与公式IIb化合物的混合物中
脱保护胺基,并从反应混合物中分离出公式I化合物;结晶形式中的公式I化合物及其盐;包含这些盐的制药组合物;制备
中间体的方法以及制备公式I化合物的过程中的
中间体。