Zirconium mediated synthesis. Convergent access to terminal trienes, dienes, and dienynes
作者:Aleksandr Kasatkin、Richard J Whitby
DOI:10.1016/s0040-4039(97)01012-5
日期:1997.7
Treatment of alkyl, vinyl, or alkynyl zirconocenes with (E)- or (Z)-1,4-dichloro-2-butene and 2 equivalents of lithium 2,2,6,6-tetramethylpiperidide gave (3E)- or(3Z)-1,3-dienes, 1,3,5-trienes, or 1,3-dien-5-ynes in good yields and stereoselectivity. (C) 1997 Elsevier Science Ltd.