Patent · US Expired

Process for the preparation of 3-(N-Aryl-amino)-propyl-2'-sulfato-ethylsulfonyl compounds

US5777111A · kind A · utility

0Cited by

2References

19Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Christian Schumacher · Frankfurt am Main, DE
Michael Meier · Frankfurt am Main, DE
Werner Russ · Flörsheim, DE

Key dates

Filing date	May 23, 1997
Grant date	Jul 7, 1998
Priority date	—
Expiry date	May 23, 2017

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D265/10
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A compound of the formula (2a) ##STR1## in which Ar.sup.1 is 2-sulfophenyl, 3-sulfophenyl, 4-sulfophenyl, 2,5-disulfophenyl, 3-sulfo-4-aminophenyl, 4-sulfo-3-aminophenyl, 3-methoxy-5-sulfophenyl, 3-sulfo-4-methylphenyl, 3-sulfo-4-methoxyphenyl, 2,5-disulfo-4-methylphenyl, 2,5-disulfo-4-methoxyphenyl, 2,5-disulfo-4-aminophenyl, 5,7-disulfo-naphth-2-yl, 4,8-disulfo-naphth-2-yl, 3,6,8-trisulfo-napth-2-yl, 4,6,8-trisulfo-naphth-2-yl, 8-sulfonaphth-1-yl, 6-sulfo-naphth-1-yl or 7-sulfo-naphth-1-yl.

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