Patent · US Expired

Sulfonated derivatives of 7-aminocoumarin

US5696157A · kind A · utility

154Cited by
14References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 15, 1996
Grant dateDec 9, 1997
Priority date
Expiry dateNov 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.