A Rapid and Efficient Stereoselective Synthesis of (Z)- and (E)-Allyl Bromides fromBaylis–Hillman Adducts Using Bromo(dimethyl)sulfonium Bromide
作者:Biswanath Das、Katta Venkateswarlu、Maddeboina Krishnaiah、Harish Holla、Anjoy Majhi
DOI:10.1002/hlca.200690141
日期:2006.7
Treatment of Baylis–Hillman adducts 1 with bromo(dimethyl)sulfonium bromide, Br(Me2)S+Br−, in MeCN was found to stereoselectively afford (Z)- and (E)-allyl bromides 2. The reaction is rapid at room temperature, high-yielding, and highly stereoselective.
的治疗的Baylis-希尔曼加合物1与溴(二甲基)溴化锍,溴(ME 2)s +溴- ,在MeCN发现立体选择性地得到(Ž) -和(ë) -烯丙基溴化物2。该反应在室温下快速,高产率且高度立体选择性。