Process for the preparation of 1,3-substituted indenes and aryl-fused azapolycyclic compounds
US7091372B2 · kind B2 · utility
3Cited by
3References
28Claims
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Key dates
| Filing date | Apr 17, 2002 |
| Grant date | Aug 15, 2006 |
| Priority date | — |
| Expiry date | Apr 17, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2602/08
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.