US 4,067,898 AGranted

Prostaglandin derivatives

AssigneeAmerican Home Products Corporation

InventorsDonald P. Strike, Wen-Ling Kao

Life of this patent

Estimating the term…

Abstract

Prostaglandin compounds substituted at the 11-position, and possessing bronchodilating and hypotensive activity are prepared from PGA.sub.2 and its esters and 15-epimers.

Claims2

Dependent claims

A compound of the formula ##STR11## wherein R.sup.1 is cyano and R.sup.2 is methyl.

Dependencies are inferred from the claim text.

Facts

Application: 05/695,228Filed 11 Jun 1976 · continuation
Priority: 21 Aug 1972
Granted: 10 Jan 1978
Term ends: Not estimatedThe source records don’t support an estimate.

Classification5 codes

C07D 317/72
Having the hetero atoms in positions 1 and 3: spiro-condensed with carbocyclic rings
C07C 405/00
Compounds containing a five-membered ring having two side-chains in ortho position to
C07C 405/0033
Analogues having the carboxyl group in the side-chains replaced by other functional groups: containing sulfur
C07D
Heterocyclic compounds

Family

Serial282,200Parent of this continuation-in-part · filed 21 Aug 1972
Serial384,769Parent of this division · filed 1 Aug 1973
Serial494,118Parent of this continuation · filed 2 Aug 1974
3845042Parent of this division
US 4,067,898 AThis patent

From the US filing history. Foreign family members aren’t listed.

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