... 3267-3286,1990 Printed in Great Britain 0040-4020/90 S3.00+.00 1990 Petgamon Press pic SYNTHESIS OF GLUTAMATE RECEPTOR ANTAGONIST PHILANTHOTOXIN-433 (PhTX-433) AND ITS ANALOGS* R. Goodnow, Jr., K. Konno, M. Niwa, T. Kallimopoulos, R. Bukownik, Deborah Lenares and K. Nakanishi* Department of ... pyridine (cal.); i. cinnamoyl chloride, EtaN, CHClg Synthesis of glutamate receptor antagonist 3271 3272 R. GOODNOW. JR et al. ...