Method for producing 1, 2-dihydropyridine-2-one compound
US8304548B2 · kind B2 · utility
2Cited by
1References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 4, 2007 |
| Grant date | Nov 6, 2012 |
| Priority date | — |
| Expiry date | Aug 8, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present inventions provide a method for commercially producing a 1,2-dihydropyridine-2-one compound represented by the following formula (III-a)wherein the ring A represents an optionally substituted 2-pyridyl group, the ring B represents an optionally substituted phenyl group, and the ring C represents an optionally substituted phenyl group. Further, the invention provides crystals of 3-(2-cyanophenyl)-5-(2-pyridyl)-1-phenyl-1,2-dihydropyridin-2-one and production processes therefor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.