The present application relates to a method for preparing compounds of the formula I in which, in a first step, γ-butyrolactone is reacted with diamines of the formula II to form bisamides of the formula Ill, with the amide function of the bisamides of the formula Ill then undergoing partial or complete catalytic hydrogenation in step II) to form bispyrrolidine compounds of the formula I.
本申请涉及一种制备式 I 化合物的方法,在该方法中,第一步,
γ-丁内酯与式 II 的二胺反应生成式 Ill 的双酰胺,然后式 Ill 双酰胺的酰胺官能团在步骤 II) 中进行部分或完全催化氢化反应,生成式 I 的双
吡咯烷化合物。