Patent · US Expired

Pharmaceutical piperidine derivatives

US4075335A · kind A · utility

2Cited by
4References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 28, 1976
Grant dateFeb 21, 1978
Priority date
Expiry dateJan 28, 1996

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K31/635
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Piperidines of the formula ##STR1## in which R.sub.1 stands for optionally substituted aryl, R.sub.2 for hydrogen, lower alkyl, lower alkenyl, acyl or .alpha.-aryl-lower alkyl, R.sub.3 for a free or substituted hydroxyl group, alk for lower alkylene which separates the two nitrogen atoms by 2 or 3 carbon atoms, R.sub.4 represents hydrogen or lower alkyl and n represents an integer from 1 to 4, and their salts as well as processes for their manufacture and pharmaceutical compositions comprising such compounds, and a process for lowering the blood pressure wherein such compositions are administered to a warm-blooded host.

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