1-Dimethylamino-2,4-diphenyl-1-butene-3,4-dione
US4045487A · kind A · utility
8Cited by
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2Claims
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Key dates
| Filing date | Mar 18, 1976 |
| Grant date | Aug 30, 1977 |
| Priority date | — |
| Expiry date | Mar 18, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D307/60
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Compounds of the formula ##STR1## wherein R.sub.1 is lower alkyl or phenyl lower alkyl; R.sub.2 is phenyl or substituted phenyl; and R.sub.3 is substituted or unsubstituted phenyl, naphthyl or indolyl; Are fluorogenic reagents which react with primary amino groups to form fluorophors. The above compounds are useful for fluorescent labeling of materials of biological importance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.