Patent · US Expired

Bronchospasmolytic 1-(3-methanesulfonamido-4-hydroxyphenyl)-2-[(3-(4-acyl-aminophenyl)-imid azolidin-2-one-1-yl)-alkylamino]-ethanols

US4558061A · kind A · utility

0Cited by

1References

6Claims

0Family size

Assignee

Boehringer Ingelheim GmbH · DE

Inventors

Anton Mentrup · Mainz, DE
Kurt Schromm · Ingelheim am Rhein, DE
Ernst-Otto Renth · Ingelheim am Rhein, DE
Gojko Muacevic · Ingelheim am Rhein, DE
Armin Fugner · Gau-Algesheim, DE

Key dates

Filing date	Jul 6, 1984
Grant date	Dec 10, 1985
Priority date	—
Expiry date	Jul 6, 2004

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P25/26
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Compounds of the formula ##STR1## wherein n is 1 or 2, R.sub.1 is hydrogen, --CO--R.sub.2 or --SO.sub.2 R.sub.3, PA1 R.sub.2 is hydrogen, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms or (alkyl of 1 to 4 carbon atoms)amino, and PA1 R.sub.3 is alkyl of 1 to 4 carbon atoms, and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as their salts are useful as bronchospasmolytics.

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