Method for producing coumarin derivative
US9133174B2 · kind B2 · utility
5Cited by
0References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 5, 2012 |
| Grant date | Sep 15, 2015 |
| Priority date | — |
| Expiry date | Sep 5, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D405/06
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention provides a novel method for producing a compound represented by general formula (VII) below or a pharmaceutically acceptable salt thereof or a synthetic intermediate thereof:wherein R2 represents a hydrogen atom or a halogen atom, Rc represents a C1-6 alkyl group, X represents a group selected from a heteroaryl group etc., R11 represents an atom or group selected from a hydrogen atom, a halogen atom, a C1-6 alkyl group, etc., R16 and R17 each independently represent an atom or group selected from a hydrogen atom, a C1-6 alkyl group, etc., and R15 represents a hydrogen atom or a C1-6 alkyl group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.