Patent · US Expired

Phenethylamine derivative compositions and use

US5063246A · kind A · utility

8Cited by
8References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 21, 1990
Grant dateNov 5, 1991
Priority date
Expiry dateAug 21, 2010

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K31/255
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Phenethylamine derivatives shown by the general formula ##STR1## wherein Ro represents a lower alkyl group; R.sub.1 represents a lower alkyl group or a lower alkoxy group, R.sub.2 represents hydrogen atom or a hydroxyl group; R.sub.3 and R.sub.4 each represents hydrogen atom or a lower alkyl group; R.sub.5 represents hydrogen atom or a lower alkoxy group; X represents oxygen atom or a methylene group; m is an integer of 1-3; and n is an integer of 0-2 and the acid addition salts thereof. These compounds exhibit a strong .alpha.-adrenergic blocking action and are useful as an antihypertensive agent.

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