1,3-Dipolar cycloaddition reactions of substituted 3,4-dihydroisoquinoline N-oxides with allenes
作者:Bao-Xiang Zhao、Shoji Eguchi
DOI:10.1016/s0040-4020(97)00642-x
日期:1997.7
study of the 1,3-dipolarcycloaddition behavior of a series of substituted 3,4-dihydroisoquinoline N-oxides with electron-deficient allenes has been carried out. The 1,3-dipolarcycloaddition reaction proceeds in high yield with complete regioselectivity to give 5-methylene isoxazolidines. The stability of these 5-methylene isoxazolidines was depending on the structure of nitrones and allenes.