M. Attolini et al., A PALLADIUM-CATALYZED SYNTHESIS OF PRECURSORS OF 2-AMINO-5-PHOSPHONOPENTANOIC ACID AND RELATED-COMPOUNDS, Synlett, (4), 1997, pp. 384
The palladium(0)-catalyzed reaction of 3-acetoxy 1-alkenyl phosphonate
s 3 with ethyl (diphenyl methylene amino acetate) 4 and N,O bis(trimet
hysilyl) acetamide provides the precursors of the title compounds in h
igh yields.