Patent · US Expired

Substituted 3-aminosydnone imines

US5179206A · kind A · utility

5Cited by

1References

9Claims

0Family size

Assignee

Cassella Aktiengesellschaft · DE

Inventors

Eckard Kujath · Maintal, DE
Christian Baumgartner · Burghausen, DE
Karl Schonafinger · Alzenau, DE
Rudi Beyerle · Frankfurt, DE
Melitta Just · Langen, DE
Helmut Bohn · Schöneck, DE
Jorg Ostrowski · Rodenbach, DE

Key dates

Filing date	Jun 7, 1990
Grant date	Jan 12, 1993
Priority date	—
Expiry date	Jun 7, 2010

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P9/12
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Substituted 3-aminosydnone imines of the formula I ##STR1## and their pharmacologically acceptable acid addition salts, in which R.sup.1 denotes e.g. hydrogen; PA1 R.sup.2 denotes e.g. an alkyl radical; at least two of the radicals R.sup.3, R.sup.4, R.sup.5 and R.sup.6 denote alkyl radicals and the others denote hydrogen, are prepared by cyclization of a compound of the formula II ##STR2## and, if appropriate, subsequent acylation, and have useful pharmacological properties.

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