The present invention relates to processes for the preparation of any of the intermediate 1,3-substituted indenes of formulae (Ia, Ib and Ic) or a mixture thereof, wherein R?1, R2, R3, R4, and R5¿ are defined herein. Compounds of formulae (Ia, Ib and Ic) or mixtures thereof are useful in the preparation of compounds of formula (II), wherein R?2, R3 and R6¿ are also defined herein.
本发明涉及制备公式(Ia、Ib和Ic)中的任何1,3-取代
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中间体或其混合物的过程,其中R1、R2、R3、R4和R5在此定义。公式(Ia、Ib和Ic)化合物或其混合物在制备公式(II)中的化合物中有用,其中R2、R3和R6在此也被定义。