The present invention relates to processes for the preparation of any of the intermediate 1,3-substituted indenes of the formulae (Ia), (Ib) and (Ic) or a mixture thereof:
wherein R1, 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 R2, R3 and R6 are also defined herein.
本发明涉及制备公式(Ia)、(Ib)和(Ic)或其混合物中的任何1,3-取代
茚的中间体的方法:其中R1、R2、R3、R4和R5在此定义。公式(Ia)、(Ib)和(Ic)或其混合物的化合物在制备公式(II)的化合物中有用:其中R2、R3和R6也在此定义。