General Method for the Synthesis of Isoxazoline <i>N</i>-Oxides from Aliphatic Nitro Compounds
作者:Alexander Dilman、Roman Kunetsky、Marina Struchkova、Pavel Belyakov、Vladimir Tartakovsky、Sema Ioffe
DOI:10.1055/s-2006-942428
日期:2006.7
A method for the synthesis of isoxazolines N-oxides from primary aliphatic nitro compounds and olefins based on the 1,3-dipolar cycloaddition of intermediate 1-halo-substituted silyl nitronates, followed by halosilane elimination has been described. The nature of the halogen atom plays a key role in determining the stability and reactivity of all intermediates of this process. Bromonitro compounds
已经描述了一种由脂肪族硝基化合物和烯烃合成异恶唑啉 N-氧化物的方法,该方法基于中间体 1-卤代硝基甲硅烷基的 1,3-偶极环加成,然后进行卤代硅烷消除。卤素原子的性质在决定该过程所有中间体的稳定性和反应性方面起着关键作用。溴硝基化合物可以方便地用于与末端烯烃的反应,而氟化衍生物必须用于内烯烃。