N–H insertion reactions of rhodium carbenoids. Part 2. Preparation of N-substituted amino(phosphoryl)acetates (N-substituted phosphorylglycine esters)
Abstract
Rhodium(II) acetate-catalysed reaction of ethyl 2-diazo-2-diethoxyphosphorylacetate 2 with carbamates, amides, ureas or anilines gives a range of N-substituted 2-amino-2-diethoxyphosphorylacetates 3–18 by N-H insertion reaction of the intermediate rhodium carbenoid.