2,2-dimethyl-5,5-diphenyl-5
H-2λ
5-[1,2]azaphosphole-3,4-dicarboxylic acid dimethyl ester 、
dimethyl-phosphinothioic acid isothiocyanate 以
氯仿 为溶剂,
生成 (5-TB-5-13)-7-dimethylphosphinothioylimino-5,5-dimethyl-2,2-diphenyl-6-thia-1-aza-5λ5-phospha-bicyclo[3.2.0]hept-3-ene-3,4-dicarboxylic acid dimethyl ester