Certain pyridinoylamino-indolin-2-one derivatives
US4963686A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 5, 1988 |
| Grant date | Oct 16, 1990 |
| Priority date | — |
| Expiry date | Jul 5, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D487/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The new pyrrolobenzimidazoles according to the present invention are compounds of the general formula: ##STR1## wherein R.sub.1 is a hydrogen atom or an alkyl, alkenyl or cycloalkyl radical, R.sub.2 is a hydrogen atom, an alkyl or alkenyl radical or a cyano group or a carbonyl group substituted by a hydroxyl or hydrazino group or by an alkyl, alkoxy, amino, alkylamino or dialkylamino group or together with R.sub.1 represents a cycloalkylene radical or R.sub.1 and R.sub.2 together form an alkylidene or cycloalkylidene radical, X is a valency bond, a C.sub.1 -C.sub.4 alkylene radical or a vinylene radical, T is an oxygen or sulphur atom and Py is a 2-, 3- or 4-pyridyl radical which optionally carries an oxygen atom on the ring heteroatom and/or can be substituted one or more times by alkyl, alkoxy, hydroxyl, cyano or nitro, as well as by halogen; the tautomers thereof and the physiologically acceptable salts thereof with inorganic and organic acids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.