双(二异丙基氨基)(2-氰基乙氧基)膦 、
Carbonic acid 4-(3-{5-[bis-(4-methoxy-phenyl)-phenyl-methoxy]-pentanoylamino}-2-hydroxy-propylcarbamoyl)-butyl ester 9H-fluoren-9-ylmethyl ester 在
1,2,3,4-四氢萘 作用下,
以80%的产率得到N-<5-(9-fluorenylmethoxycarbonyloxy)valeroyl>-N'-<5-(4,4'-dimethoxytrityloxy)valeroyl>-2-O-(N,N-diisopropylamino-2-cyanoethoxyphosphinyl)-1,3-diamino-2-propanol