The present invention provides a process for preparing a compound of formula: (Formula XI and XII) (XI) (XII) wherein X, Y, Z, A, B and E are as defined herein, by reacting a compound of formula: (Formula XIII) (XIII) with a compound of formula: (Formula XIV and XV) (XIV) (XV) respectively, in the presence of a transition metal catalyst, a ligand suitable for use with 15 the catalyst and a reducing agent. The invention also provides novel intermediates.
本发明提供了一种制备式化合物的方法:(式XI和XII)(XI)(XII),其中X、Y、Z、A、B和E如本文所定义,通过在过渡
金属催化剂、适用于该催化剂的
配体和还原剂的存在下,使式化合物(式XIII)(XIII)与式化合物(式XIV和XV)(XIV)(XV)分别反应。本发明还提供了新的中间体。