Thermal Rearrangement of some Oxazolidine<i>N</i>-Oxides. 2-Alkyl-6-aryl-3,4-dihydro-2<i>H</i>-1,5,2-dioxazines
作者:Shahrokh Saba、Patrick W. Domkowski、Fariborz Firooznia
DOI:10.1055/s-1990-27054
日期:——
3-Alkyl-2-aryloxazolidines are oxidized with 3-chloroperoxybenzoic acid to produce the corresponding oxazolidine N-oxides. These N-oxides undergo thermal rearrangement to give 2-alkyl-6- aryl-3,4-dihydro-2H-1,5,2-dioxazines in 55-85% yield.
3-烷基-2-芳氧噁唑啉与3-氯过氧苯甲酸氧化反应,生成相应的噁唑啉N-氧化物。这些N-氧化物经历热重排,生成2-烷基-6-芳基-3,4-二氢-2H-1,5,2-二噁嗪,产率为55-85%。