Process for making tetracyclic heterocycle compounds
US10202401B2 · kind B2 · utility
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Key dates
| Filing date | Nov 9, 2017 |
| Grant date | Feb 12, 2019 |
| Priority date | — |
| Expiry date | Nov 9, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F17/02
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention is directed to a process for making Tetracyclic Heterocycle Compounds of Formula (I): and pharmaceutically acceptable salts thereof, wherein X1, X2, R1, R2 and R3 are defined above herein. The present invention is also directed to compounds that may be useful as synthetic intermediates in the process of the invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.