Ethene derivatives
US4659727A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 10, 1985 |
| Grant date | Apr 21, 1987 |
| Priority date | — |
| Expiry date | Sep 10, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D473/34
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Ethene derivatives of the formula: EQU [R.sup.5 (R.sup.1 CR.sup.4 .dbd.CR.sup.2 R.sup.3).sub.m ].sub.n I wherein R.sup.5 represents optionally substituted heterocyclyl or a group --CR.sup.4 .dbd.CR.sup.2 R.sup.3, or optionally substituted aryl, heterocyclylalkyl or arylalkyl and R.sup.1 represents --NR.sup.6 -- wherein R.sup.6 represents hydrogen or optionally substituted alkyl or aryl, or R.sup.5 represents a quinonoidal group, and R.sup.1 represents .dbd.N--, R.sup.4 represents hydrogen, alkoxy, alkylthio, trifluoromethyl or optionally substituted alkyl or aryl, R.sup.2 represents cyano, formyl, alkoxycarbonyl, alkylsulphonyl, dialkylcarbamoyl, dialkylthiocarbamoyl, aryloxycarbonyl, arylsulphinyl or arylsulphonyl, R.sup.3 represents a group R.sup.2 or hydrogen, nitro or optionally substituted aryl or aroyl or alkanoyl, and m and n are 1 or 2, and pharmaceutically acceptable salts thereof, with the exclusion of certain compounds in which R.sup.5 represents pyridyl, 5-halogenopyrid-2-yl or 1,2,4-triazolo[4,3-a]-quinoline possess useful pharmacological properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.