Patent · US Expired

5-(N-Alkyl-N-acyl-amino)-thiophen-2-carboxylic acid derivatives

US4349686A · kind A · utility

0Cited by

2References

6Claims

0Family size

Assignee

A NATTERMANN & CIE GMBH · DE

Inventors

Hans-Heiner Lautenschlager · Pulheim, DE
Hans Betzing · Kerpen, DE
Johannes Winkelmann · Cologne, DE
Manfred Probst · Frechen, DE
Brigitte Stoll · Pulheim, DE

Key dates

Filing date	Nov 12, 1981
Grant date	Sep 14, 1982
Priority date	—
Expiry date	Nov 12, 2001

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D333/38
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention refers to new 5-(N-Alkyl-N-acyl-amino)-thiophen-2-carboxylic acid derivatives having the general formula I ##STR1##

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