Patent · US Expired

3-Piperazino-isoquinolines and salts thereof

US3975524A · kind A · utility

4Cited by

1References

8Claims

0Family size

Assignee

Boehringer Ingelheim GmbH · DE

Inventors

Josef Nickl
Erich Muller · Zell am Harmersbach, DE
Wolfgang Schroter · Zell am Harmersbach, DE
Walter Haarmann
Josef Roch · Biberach, DE

Key dates

Filing date	Apr 11, 1975
Grant date	Aug 17, 1976
Priority date	—
Expiry date	Apr 11, 1995

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P20/55
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Compounds of the formula ##SPC1## Wherein PA1 R.sub.1 is hydrogen, alkyl of 1 to 3 carbon atoms, alkanoyl of 1 to 3 carbon atoms, or alkoxycarbonyl of 2 to 4 carbon atoms, PA1 R.sub.2 is morpholino, thiomorpholino or 1-oxido-thiomorpholino, and PA1 R.sub.3 is hydrogen, fluorine, chlorine, bromine, methyl, methoxy or nitro, And non-toxic, pharmacologicaly acceptable acid addition salts thereof; the compounds as well as the salts are useful as anticoagulants.

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