Derivatives of 9-oxo-13-trans-prostenoic acid amides

A compound selected from the group consisting of an optically active compound of the formula:

• ##SPC12##
• and a racemic mixture of that formula and the mirror image thereof wherein R is selected from the group consisting of methyl and phenyl;
• Z is a divalent radical selected from the group consisting of those of the formulae:
• ##EQU9## wherein m is an integer from 1 to 8, inclusive, p is an integer from 2 to 4, inclusive, q is an integer from 3 to 6, inclusive, R.sub.4 is an alkyl group having up to 3 carbon atoms, and R.sub.5 is an alkyl group having up to 4 carbon atoms, phenyl or fluoro;
• R.sub.1 is selected from the group consisting of a straight chain alkyl group having from 3 to 10 carbon atoms, a straight chain alkyl group having from 3 to 6 carbon atoms and having one branched alkyl group having up to 4 carbon atoms, a straight chain alkenyl group having from 3 to 6 carbon atoms, a straight chain .omega.-haloalkyl group having from 3 to 6 carbon atoms, a straight chain .omega.-phenylalkyl group having from 1 to 4 carbon atoms in the chain, a straight chain .omega.-(cycloalkyl)alkyl group having from 1 to 4 carbon atoms in the chain and from 5 to 7 carbon atoms in cycloalkyl, and moieties of the formulae:
• --(CH.sub.2).sub.p --S--R.sub.4 and --(CH.sub.2).sub.p --O--R.sub.4
• wherein p and R.sub.4 are as hereinabove defined;
• and the pharmaceutically acceptable anionic salts thereof.