The reactions of phosphenium salts (Cl–P+–NR2)A–(A = AlCl4, CF3SQ3)1 with guanidines (R2N)2CNSiMe32 afford dicationic 1,3-bis[bis(dialkylamino)methylene]-1,3-diazonia-2λ3, 4λ3-diphosphacyclobutanes 3 or 1,3-bis[bis(dialkylamino)methylene]-1,3-diazonia-2λ3-phospha-4,4,4-trichloroaluminacyclobutanes 5, depending on the experimental conditions.
膦盐(Cl-P+-NR2)A-(A = AlCl4, CF3SQ3)1 与
胍(R2N)2CNSiMe32 的反应生成二阳离子 1,3-双[双(二烷基
氨基)亚甲基]-1,3-二氮杂-2λ3、4λ3-二
磷酸环丁烷 3 或 1,3-双[双(二烷基
氨基)亚甲基]-1,3-二氮杂-2λ3-
磷-4,4,4-三
氯铝
环丁烷 5,具体取决于实验条件。