Nucleophilic reactions of propargyl acetates mediated by titanocene dichloride and magnesium
作者:Fanglong Yang、Gang Zhao、Yu Ding
DOI:10.1016/s0040-4039(01)00309-4
日期:2001.4
Reaction of Cp2TiCl2/Mg with propargyl acetates form allenyl titanium intermediates, which undergo nucleophilic addition reactions to aldehydes or ketones to give homopropargyl alcohols in high yields. Subsequent nucleophilic addition to acetonitrile and nucleophilic substitution with allyl bromide are also mentioned.
Cp 2 TiCl 2 / Mg与乙酸炔丙酯的反应形成烯丙基钛中间体,该烯丙基钛中间体与醛或酮进行亲核加成反应,从而以高收率得到高炔丙醇。还提到了随后向乙腈的亲核加成和用烯丙基溴的亲核取代。