苯膦酰二氯 、 dipotassium salt of phenylboronic acid 在
碘 作用下,
以
甲苯 为溶剂,
反应 0.33h,
以59%的产率得到2,4,6,8-tetraphenyl-1,3,5,7,2λ5,6λl5,4,8-tetraoxadiphosphadiborocane-2,6-dione
参考文献:
名称:
Preparation of Tetraoxadiphosphadiborocane-2,6-diones
摘要:
Cyclization of aryl/alkyl phosphonic dichlorides (2a-f) with phenylboronic acid/K2CO3/I-2 in dry toluene at 60-70 degrees C afforded 2,6-diaryl/alkyl-4,8-diphenyl-1,3,5,7, 2 lambda(5),6 lambda 5,4,8-tetraoxadiphosphadiborocane-2,6-diones (3a-f).
Cyclization of aryl/alkyl phosphonic dichlorides (2a-f) with phenylboronic acid/K2CO3/I-2 in dry toluene at 60-70 degrees C afforded 2,6-diaryl/alkyl-4,8-diphenyl-1,3,5,7, 2 lambda(5),6 lambda 5,4,8-tetraoxadiphosphadiborocane-2,6-diones (3a-f).