Imidazoquinoxaline compounds
US4440929A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 29, 1982 |
| Grant date | Apr 3, 1984 |
| Priority date | — |
| Expiry date | Mar 29, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D233/90
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Provided are imidazoquinoxalines of the structures: ##STR1## wherein R.sub.1, R.sub.5, R.sub.6 and R.sub.7 are independently H, alkyl, aryl, alkenyl, alkynyl, hydroxy, hydroxyalkyl, alkoxy, mercapto, mercaptoalkyl, alkylthio, amino, alkylamino, aminoalkyl, carboxaldehyde, carboxylic acid and salts thereof, carbalkoxy, alkanoyl, cyano, nitro, halo, trifluoromethyl, alkylsulfonyl, sulfonamido, or R.sub.1, R.sub.5, R.sub.6 and R.sub.7 may be taken together with the adjacent group to form a methylenedioxy group. R.sub.4 is H, alkyl, alkenyl, alkynyl, aryl, aralkyl, hydroxy or alkanoyl. R.sub.3 is H, cyano, tetrazolo, carboxaldehyde, hydroxyalkyl, carboxylic acid and salts thereof or derivatives thereof such as esters or amides in which the substituent on the ester oxygen or amide nitrogen is alkyl, aryl, hydroxyalkyl, alkoxyalkyl or amino alkyl. R.sub.2 and R.sub.8 are independently H, alkyl, aryl, halo, amino, alkylamino, arylamino, hydroxyamino, hydroxy, alkoxy, mercapto or alkylthio, and X is oxygen, sulfur, imino, and hydroxyimino.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.