Imperial Chemical Industries Limited

Edward Raymond Walker

Peter R Marsham

Jean Bowler

Edward D Brown

Amide derivatives of the formula: ##STR1## wherein either R.sup.1 is aryl or heterocyclic and A.sup.1 is a direct link, or R.sup.1 is aryl or heterocyclic, or hydrogen or amino and A.sup.1 is alkylene; X is --CH.sub.2 -- or --CO-- or has the formula ##STR2## wherein R.sup.11 and R.sup.12, which may be the same or different, each is alkyl, or R.sup.11 and R.sup.12 are joined to form alkylene; A.sup.2 is alkylene; R.sup.2 is hydrogen, aryl or alkyl which is unsubstituted or which bears an aryl substituent; R.sup.3 is hydrogen or alkyl which is unsubstituted or which bears a halogeno, hydroxy, amino, guanidino, carboxy, carbamoyl, mercapto, alkoxy, alkylamino, dialkylamino, cyclic amino, alkylthio, alkanoylamino, alkoxycarbonyl, arylalkoxycarbonyl, aryl or heterocyclyl substituent; R.sup.4 is alkyl which is unsubstituted or which bears an aryl substituent, or R.sup.4 is phenyl or alkylphenyl; n is 0 or 1; and either R.sup.5, R.sup.6, R.sup.15 and R.sup.16 are all hydrogen, or R.sup.5 and R.sup.6 are both hydrogen and R.sup.15 and R.sup.16 together form tetramethylene; or R.sup.5 and R.sup.6 together form a second bond between the two carbon atoms to which they are attached and R.sup.15 and R.sup.16 together form buta-1,3-dien-1,4-diyl; or a salt thereof; processes for their manufacture and pharmaceutical compositions containing them. The compounds are inhibitors of angiotensin converting enzyme.

Amide derivatives

This disclosure relates to 16,16-ethylene derivatives of prostaglandin E.sub.2 and homologues thereof, which are useful for inhibiting gastric acid production in warm-blooded animals, to processes for their manufacture and pharmaceutical and veterinary compositions containing them, and to a method of inhibiting gastric acid production in warm-blooded animals.

Prostanoic acid derivatives

The disclosure relates to novel pentanor prostaglandin analogues, for example 15-(5-chloroindan-2-yl)-9.alpha.,11.alpha.,15-trihydroxy-16,17,18,19,20-pe ntanor-5-cis,13-trans-prostadienoic acid and 15-(5-chloroindan-2-yl)-11.alpha.,15-dihydroxy-9-oxo-16,17,18,19,20-pentan or-5-cis,13-trans-prostadienoic acid and the 1-ester and 1-alcohol derivatives thereof, to a process for their manufacture, to compositions containing them, and to their use in a method of inducing luteolysis.

Cyclopentane derivatives

The disclosure relates to novel pentanor prostaglandin analogues, for example 15-(5-chloroindan-2-yl)-9.alpha.,11.alpha.,15-trihydroxy-16,17,18,19,20-pe ntanor-5-cis, 13-trans-prostadienoic acid and 15-(5-chloroindan-2-yl)-11.alpha.,15-dihydroxy-9-oxo-16,17,18,19,20-pentan or-5-cis,13-trans-prostadienoic acid and the 1-ester and 1-alcohol derivatives thereof, to a process for their manufacture, to compositions containing them, and to their use in a method of inducing luteolysis.

Growing community of inventors

Macclesfield, United Kingdom

Edward Raymond Walker