Sulfonated derivatives of 7-aminocoumarin
US5696157A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 15, 1996 |
| Grant date | Dec 9, 1997 |
| Priority date | — |
| Expiry date | Nov 15, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D311/16
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention describes 7-aminocoumarin dyes that are substituted one or more times at the 3-, 6- and/or 8-positions by a sulfonic acid or a salt of a sulfonic acid, said dyes being useful as fluorescent probes or in the preparation of enzyme substrates, caged probes, or adducts with reducing sugars. The dyes of the invention optionally possess a reactive group useful for preparing fluorescent conjugates, which conjugates and methods for their preparation are described herein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.