Patent · US Expired

Benzodioxane prostacyclin analogs

US4902811A · kind A · utility

2Cited by
0References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 20, 1988
Grant dateFeb 20, 1990
Priority date
Expiry dateJun 20, 2008

Classification

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

Abstract

Benzodioxane prostacyclin analogs represented by the formula: ##STR1## wherein R.sub.1 is alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkylalkyl, or phenoxyalkyl; R.sub.2 is hydrogen, lower alkyl, or aralkyl; R.sub.3 is hydrogen or a protecting group; A is ethylene or vinylene; and the wavy line indicates .alpha. or .beta. configuration or their mixture; or a salt thereof having an antiulcer activity and platelet aggregation inhibitory activity.

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