Patent · US Expired

Resorufin derivatives

US4954630A · kind A · utility

28Cited by

2References

9Claims

0Family size

Assignee

Boehringer Mannheim GmbH · DE

Inventors

Christian Klein · Iffeldorf, DE
Hans-Georg Batz · Tutzing, DE
Rupert Herrmann · Weilheim, DE

Key dates

Filing date	Jul 24, 1986
Grant date	Sep 4, 1990
Priority date	—
Expiry date	Jul 24, 2006

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S530/802
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

The present invention provides resorufin derivatives of the general formulae: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5, which can be the same or different, are hydrogen, halogen, carboxyl, carboxamido, lower alkoxycarbonyl, cyano or nitro groups or lower alkyl or lower alkoxy radicals, which can be substituted by carboxyl, carboxamido, lower alkoxycarbonyl, cyano or nitro groups, and wherein R.sup.4 and R.sup.5 can together also represent an anellated aromatic residue, Z is a bridge member, A is the residue of a ligand and n is a whole number of from 1 to 200. The present invention also provides processes for the preparation of these resorufin derivatives, as well as intermediates for the preparation thereof.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.