N-Thiophosphorylated andN-Phosphorylated Iminophosphoranes [R3P=N–P(X)R′2; × = O, S] as Models for Dendrimers: Synthesis, Reactivity and Crystal Structures
N-Thiophosphorylated andN-Phosphorylated Iminophosphoranes [R3P=N–P(X)R′2; × = O, S] as Models for Dendrimers: Synthesis, Reactivity and Crystal Structures