1-phenyl-3-methylthio semicarbazide hydroiodide 在
三(二甲胺基)膦 作用下,
以
甲苯 为溶剂,
以81%的产率得到3,6,9,12-Tetrakis-methylsulfanyl-1,4,7,10-tetraphenyl-1H,4H,7H,10H-1,2,3a,4,5,6a,7,8,9a,10,11,12a-dodecaaza-3b,6b,9b,12b-tetraphospha-tetracyclopenta[a,c,e,g]cyclooctene