Dw. Ma et al., SYNTHESIS AND BIOLOGICAL-ACTIVITY OF CYCLIC ANALOGS OF MPPG AND MCPG AS METABOTROPIC GLUTAMATE-RECEPTOR ANTAGONISTS, Bioorganic & medicinal chemistry letters, 7(9), 1997, pp. 1195-1198
The synthesis of two rigidified phenylglycine analogues is disclosed.
The cyclic analogue 1 of (R,S)-alpha-methyl-4-phosphonophenylglycine (
MPPG) is shown to be a particularly interesting pharmacological tool,
for it is a group II selective mGluR antagonist that possesses an inve
rse agonist-like action