Drugs comprising 2,3- or 3,4-diphenyl derivatives of .gamma.-nitrile-esters or the cyclization products thereof
US4785007A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 2, 1986 |
| Grant date | Nov 15, 1988 |
| Priority date | — |
| Expiry date | Apr 2, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D211/76
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
New drugs comprising 2,3- or 3,4-diphenyl derivatives of .gamma.-nitrile-esters or the products of cyclization of the 2,3-diphenyl derivatives according to the formulae A, B and C are claimed. Process for cyclization of 2,3-diphenyl derivatives of .gamma.-nitrile-esters, new 2,3-diphenyl derivatives of .gamma.-nitrile-esters corresponding to the formulae I to VIII are claimed; new 3,4-diphenyl derivatives of the said esters coresponding to the formulae IX and X, and new 3,4-diphenylpiperidone derivatives corresponding to the specific formulae IX to XXVII are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.