四氯化锡 、
2,4,6,8-tetramethyl-2,4,6,8-tetraaza-1λ3,5λ3-diphosphabicyclo<3.3.0>octane-3,7-dione 以
二氯甲烷 为溶剂,
以70%的产率得到(4r,8r)-1,3,5,7-tetramethyl-1H,5H-[1,4,2,3]diazadiphospholo[2,3-b][1,4,2,3]diazadiphosphole-2,6(3H,7H)-dione compound with perchlorostannane (1:1)