| abstract |
This invention relates to compounds which are generally EP<SUB>4 </SUB>receptor agonists and which are represented by Formula I: wherein A is a -CH<SUB>2</SUB>-CH<SUB>2</SUB>-, or -CH-CH-; B is absent, an aryl, or heteroaryl group; R<SUP>1 </SUP>is alkyl, alkenyl, alkynyl, cycloalkylalkyl, heterocyclylalkyl, aryl, arylalkyl or heteroaryl, when B is aryl or heteroaryl and R<SUP>3</SUP>, R<SUP>4</SUP>, R<SUP>5 </SUP>and R<SUP>6 </SUP>are not simultaneously hydrogen, or R<SUP>1 </SUP>is heterocyclylalkyl, aryl, or heteroaryl when B is absent and R<SUP>3</SUP>, R<SUP>4</SUP>, R<SUP>5 </SUP>and R<SUP>6 </SUP>are simultaneously hydrogen; and the other substituents are as defined in the specification; or individual isomers, racemic or non-racemic mixtures of isomers, or pharmaceutically acceptable salts or solvates thereof. The invention further relates to pharmaceutical compositions containing such compounds, methods for their use as therapeutic agents, and methods of preparation thereof. |