Alkenes from Terminal Epoxides Using Lithium 2,2,6,6-Tetramethylpiperidide and Organolithiums or Grignard Reagents
作者:David M. Hodgson、Matthew J. Fleming、Steven J. Stanway
DOI:10.1021/ja045513a
日期:2004.10.1
alkenes, dienes, and allylsilanes) are efficiently prepared by alpha-deprotonation of terminal epoxides using lithium 2,2,6,6-tetramethylpiperidide, followed by in situ trapping with organolithiums or Grignard reagents.
E-烯烃(包括芳基化烯烃、二烯和烯丙基硅烷)通过使用 2,2,6,6-四甲基哌啶锂对末端环氧化物进行α-去质子化,然后用有机锂或格氏试剂进行原位捕获来有效制备。