(2<i>R</i>,1‘<i>S</i>,2‘<i>R</i>,3‘<i>S</i>)-2-(2‘-Carboxy-3‘-phenylcyclopropyl)glycine (PCCG-13), the First Potent and Selective Competitive Antagonist of Phospholipase D-Coupled Metabotropic Glutamate Receptors: Asymmetric Synthesis and Preliminary Biological Properties
The asymmetric synthesis of (2R,1'S,2'R, 3'S)-2-(2'-carboxy-3'-phenylcyclopropyl)glycine (PCCG-13), a trisubstituted carboxycyclopropylglycine endowed with unusual stereochemical features, is described. Preliminary biologicalevaluation demonstrates PCCG-13 as a very potent and selective competitive antagonist for the novel class of metabotropic glutamate (mGlu) receptors coupled to the activity of