N-Alkylation of N-allyl α-amino esters and [2,3]-Stevens rearrangement occur in one pot on warming in the solvent DMF, with the bases K2CO3 and DBU; this in situ formation of the quaternary ammonium salts and rearrangement of the subsequent ylides gives N,N-dialkylated allyl glycine derivatives.
I. Coldham, M. L. Middleton and P. L. Taylor, J. Chem. Soc., Perkin Trans. 1, 1997, 2951 DOI: 10.1039/A705550A
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