abstract |
There are provided by the present invention certain pyrazole based CCK-1 receptor modulators which have the general formula: wherein Ar is an aromatic or heteroaromatic group, X is a hydrocarbon linker, Y is a bond or hydrocarbon linker and R1, R2, R3, R4 and R5 are certain organic substituents, methods for making the same, and stereoselective dehydration methods for generally making α,β-unsaturated esters, acids and their derivatives. |