A convenient synthesis of N-protected diphenyl phosphonate ester analogues of ornithine, lysine and homolysine

Article abstract of DOI:10.1016/S0040-4039(00)73578-7

A 3-step synthesis to the title compounds has been developed which provides them differentially protected at nitrogen. These could then be selectively deprotected using hydrazine hydrate or hydrogenolysis over Pd/C.