474024-39-0Relevant academic research and scientific papers
Process for the preparation of 1,3-substituted indenes and aryl-fused azapolycyclic componunds
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, (2008/06/13)
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.
