Both chiral and achiral phosphoramides of diverse structure were prepared from diamines by the coupling to phosphorus(V) or phosphorus(III) reagents. Several enantiopure 1,2-diphenyl-1,2-ethanediamine analogues have been prepared by the reductive coupling of the corresponding N-silylimine with NbCl(4)(THF)(2) and subsequent resolution by the formation of diastereomeric menthyl carbamates. (S,S)-N,
通过与
磷(V)或
磷(III)试剂偶联,由二胺制备了多种结构的手性和非手性
磷酰胺。几种对映体纯的1,2
-二苯基-1,2-乙二
胺类似物是通过将相应的N-
硅酰亚胺与NbCl(4)(THF)(2)还原偶联而制备的,随后通过形成非对映异构的
氨基
甲酸薄荷酯进行拆分。(S,S)-N,N′-二-(1-
萘基)-1,2
-二苯基-1,2-
乙二胺15是通过(S,S)-1,2
-二苯基-1的芳基化制备的,2-
乙二胺与
碘化
萘。