Phenyl-benzimidazolyl-furanes
US4189589A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 10, 1978 |
| Grant date | Feb 19, 1980 |
| Priority date | — |
| Expiry date | Feb 10, 1998 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06L4/629
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
2-Phenyl-5-benzimidazol-2'-yl-furanes of the formula ##STR1## in which R.sub.1 is a sulphonic acid group or an ester or amide thereof, a carboxylic acid group or an ester or amide thereof, a cyano group, a trifluoromethyl group or an alkyl- or arylsulphonyl group, R.sub.2 is alkyl having 1 to 8 carbon atoms, alkenyl having 3 or 4 carbon atoms, cyclohexyl, hydroxyalkyl having 2 to 4 carbon atoms, alkoxyalkyl having a total of 3 to 6 carbon atoms, carboxyalkyl having 2 to 6 carbon atoms, carbalkoxyalkyl having a total of 3 to 6 carbon atoms, cyanoalkyl having 2 to 4 carbon atoms, carbamoylalkyl which has 1 to 6 carbon atoms in the alkyl moiety and is unsubstituted or substituted on the nitrogen atom by 1 or 2 alkyl having 1 to 3 carbon atoms, benzyl which is unsubstituted or substituted by chlorine, methyl or methoxy, dialkylaminoalkyl having a total of 3 to 7 carbon atoms or phenethyl and, if n is the number 0, also hydrogen, R.sub.3 is hydrogen, alkyl having 1 to 6 carbon atoms, hydroxyalkyl having 2 or 3 carbon atoms, cyanoalkyl having 2 to 4 carbon atoms, carboxyalkyl having 2 or 3 carbon atoms, carbamoylmethyl which is unsubstituted or substituted on the nitrogen atom by 1 or 2 …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.