L-缬氨醇 、
3,3',5,5'-tetra-tert-butyl-1,1'-biphenyl-2,2'-diyl phosphorochloridite 在
吡啶 作用下,
以
甲苯 为溶剂,
以52%的产率得到(S)-2,4,8,10-tetra-tert-butyl-N-(3-methyl-1-((2,4,8,10-tetra-tert-butyldibenzo[d,f][1,3,2]dioxaphosphepin-6-yl)oxy)butan-2-yl)dibenzo[d,f][1,3,2]dioxaphosphepin-6-amine