Efficient synthesis of 3-substituted lactams using meerwein eschenmoser claisen [3,3] sigmatropic rearrangements.
作者:Brian Coates、David Montgomery、Paul J. Stevenson
DOI:10.1016/s0040-4039(00)79904-7
日期:1991.8
3-Allyl substituted five, six and seven membered ring lactams are readily available in good yields and reasonable selectivity by a formal Meerwein Eschenmoser Claisen [3,3] rearrangement, using the readily available N,N-dialkylalkoxymethylene iminium salts and lithium alkoxides derived from allyl alcohols.