Patent · US Expired

Diuretic, antihypertensive and antihistaminic 7-carboxymethoxy-furo-(3,4-c)-pyridine derivatives

US4569938A · kind A · utility

27Cited by
0References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 5, 1984
Grant dateFeb 11, 1986
Priority date
Expiry dateNov 5, 2004

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P43/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

This invention relates to new 1,3-dihydro-6-methyl-furo-(3,4-c)-pyridine derivatives of the general formula: ##STR1## wherein, each of A.sub.1 and A.sub.2 represents various hydrocarbon groups, to pharmaceutically acceptable salts of them, to a process for the preparation of said derivatives from the corresponding 6-hydroxy compounds, treated by ethyl bromoacetate and then hydrolyzed. The invention further provides pharmaceutical compositions wherein said derivatives are used as active ingredients. The compounds are useful as diuretics, in lowering blood pressure and as antihistaminics.

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