Design, synthesis and preliminary evaluation of novel 3′-Substituted carboxycyclopropylglycines as antagonists at group 2 metabotropic glutamate receptors

Design, synthesis and preliminary evaluation of novel 3′-Substituted carboxycyclopropylglycines as antagonists at group 2 metabotropic glutamate receptors (2S,1‘S,2‘R,3‘R)-2-(2‘-Carboxy-3‘-hydroxymethylcyclopropyl) Glycine Is a Highly Potent Group 2 and 3 Metabotropic Glutamate Receptor Agonist with Oral Activity (2S,1‘S,2‘S,3‘R)-2-(2‘-Carboxy-3‘-methylcyclopropyl) Glycine Is a Potent and Selective Metabotropic Group 2 Receptor Agonist with Anxiolytic Properties A highly selective agonist for the metabotropic glutamate receptor mGluR2 (2S,1′S,2′R,3′R)-2(2′-Carboxy-3′-hydroxymethylcyclopropyl)glycine-[3H], a potent and selective radioligand for labeling group 2 and 3 metabotropic glutamate receptors Synthesis and preliminary biological evaluation of (2S,1′R,2′S)- and (2S,1′S,2′R)-2-(2′-phosphonocyclopropyl)glycines, two novel conformationally constrained l-AP4 analogues Synthesis, molecular modeling and preliminary biological evaluation of 1-amino-3-phosphono-3-cyclopentene-1-carboxylic acid and 1-amino-3-phosphono-2-cyclopentene-1-carboxylic acid, two novel agonists of metabotropic glutamate receptors of group III Synthesis and preliminary pharmacological evaluation of the four stereoisomers of (2S)-2-(2′-phosphono-3′-phenylcyclopropyl)glycine, the first class of 3′-substituted transC1′−2′-2-(2′-phosphonocyclopropyl)glycines Development of 2′-Substituted (2S,1′R,2′S)-2-(Carboxycyclopropyl)glycine Analogues as Potent N-Methyl-<scp>d</scp>-aspartic Acid Receptor Agonists New 4-Functionalized Glutamate Analogues Are Selective Agonists at Metabotropic Glutamate Receptor Subtype 2 or Selective Agonists at Metabotropic Glutamate Receptor Group III