The present invention relates to a production method of the compound of formula I, consisting in coupling the iodo derivative of formula III with boronic acid derivatives, catalyzed by suitable Pd catalysts in a solvent, wherein the boronic acid derivatives are cyclic boronates of the general formula VII, wherein R1, R2, R3 and R4 is H, or a C1-C4 (un)branched alky and wherein X is either a bond or CR5R6 wherein R5 and R6 is H, or a C1-C4 (un)branched alkyl. Other aspects of the invention are cyclic boronates and use of the compound of formula I.
本发明涉及一种化合物I的生产方法,包括将化合物III的
碘衍
生物与
硼酸衍
生物偶联,在溶剂中由适当的Pd催化剂催化,其中
硼酸衍
生物为一般式VII的环
硼酸酯,其中R1、R2、R3和R4为H,或者为C1-C4(非)支链烷基,其中X为键或CR5R6,其中R5和R6为H,或者为C1-C4(非)支链烷基。该发明的其他方面包括环
硼酸酯和化合物I的用途。