Benzofuranyl-benzimidazoles
US4250317A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 21, 1978 |
| Grant date | Feb 10, 1981 |
| Priority date | — |
| Expiry date | Dec 21, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/927
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel benzofuranyl benzimidazoles of the formula ##STR1## wherein R.sub.1 represents a hydrogen atom, an alkenyloxy or cycloalkloxy radical, an unsubstituted or substituted alkoxy, phenylalkoxy or phenoxy radical, each of PA1 R.sub.2 and R.sub.3 independently represents a hydrogen atom, an alkyl or alkoxy radical, a halogen atom, or, if R.sub.1 represents hydrogen, together in the ortho-position to each other they represent a radical of the formula --CH.dbd.CH--CH.dbd.CH--, --O--CH.sub.2 --O-- or --O--CH.sub.2 --CH.sub.2 --O--, PA1 R.sub.4 represents a hydrogen atom, an alkyl, alkoxy or phenyl radical, PA1 R.sub.5 represents a sulpho or carboxyl group or the functional derivatives thereof including the cyano group or the trifluoromethyl group, PA1 R.sub.6 represents a hydrogen or halogen atom, an alkyl or alkoxy radical, PA1 R.sub.7 represents a cycloalkyl, alkenyl, or unsubstituted or substituted alkyl, phenyl or phenylalkyl radical, or, if n is O, also represents a hydrogen atom, PA1 R.sub.8 represents a hydrogen atom, a cycloalkyl, alkenyl, or unsubstituted or substituted alkyl or phenylalkyl radical, PA1 A.sup.w.crclbar. represents a colorless anion of an inorganic or organic a…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.