Formation of allenes by reaction of lithium diorganocuprates on propargylic acetates - a mechanistic approach
作者:J.L Luche、E Barreiro、J.M Dollat、P Crabbé
DOI:10.1016/s0040-4039(00)91084-0
日期:——
Cyclizations of ω-allenyl organometallic reagents
作者:Jack K. Crandall、Timothy A. Ayers
DOI:10.1016/s0040-4039(00)79080-0
日期:1992.9
Allenyl organometallic reagents of type R2C = C = CH(CH2)nCH2M undergo cyclization at the central allenic carbon for n = 2 (M = Li) and at the near allenic carbon for n = 3 (M = CuCNLi) to provide cyclopentane systems; little cyclization was observed for the n = 4 systems (M = Li, CuCNLi).
APPARU, M.;CRANDALL, J. K., J. ORG. CHEM., 1984, 49, N 12, 2125-2130