Process for preparing novel dihydropyridine derivatives
US4795814A · kind A · utility
0Cited by
2References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 18, 1986 |
| Grant date | Jan 3, 1989 |
| Priority date | — |
| Expiry date | Dec 18, 2006 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Process for preparing dihydropyridine derivatives and salts and esters thereof represented by the general formula ##STR1## from a phenyl derivative and an enamine derivative in which the phenyl derivative is prepared by reacting a compound of the formula ##STR2## with a compound of the formula ##STR3## in the presence of an aromatic amine selected from o-, m-, p- anisidine; m-, p-toluidine; p-chloroaniline; aniline and o-phenetidine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.