Patent ID: 6455071
Filing Date: 2002-09-24
Classification: A61K,B82Y,C07F,C08G

Abstract:
A synthon selected from the group consisting of N-[5-(9-fluorenylmethoxycarbonyloxy)valeroyl]-N-[5-(4,4â€²-dimethoxytrityloxy)valeroyl]-2-O-(N,N-diisopropylamino-2-cyanethoxyphosphinyl)-1,3-diaminopropanol-2 and N-[4-(tertbutyldimethoxysilyloxy)-butyryl]-Nâ€²-[4-(4,4â€²-dimethoxytrityloxy)butyryl]-2-O-(N,Nâ€²-diisopropylamino-2-cyanethoxyphosphinyl-1,3-diaminopropanol-2.