1,3-二甲基脲 、
tetrakis(hydroxymethyl)phosphonium benzenesulfonate 在
CH3 、 SO3C6H5 作用下,
以
甲苯 为溶剂,
以gave 21.91 g (73.9%) of tetrakis(1,3-dimethylureidomethyl)phosphonium benzenesulfonate (I, R=R'=CH3, R"=H, X=SO3C6H5) as a white, crystalline solid, mp 103°-105° C.的产率得到tetrakis(1,3-dimethylureidomethyl)phosphonium benzenesulfonate