Abstract
Two simple and convenient methods of transforming easily accessible 4-phosphoranylidene-5(4H)-oxazolones into N-acyl-α-triphenylphosphonioglycinates are described. N-Acyl-α-triphenylphosphonioglycinates react smoothly with heteroatom nucleophiles in the presence of DBU or triethylamine yielding the corresponding α-functionalized glycine derivatives.
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