Radical halo-nitration of alkenes using iron(III) nitratenonahydrate and halogen salt has been developed. The present reaction proceeds by radical addition of nitrogen dioxide generated by thermal decomposition of iron(III) nitratenonahydrate and subsequent trapping of the resultant radical by a halogen atom in the presence of halogen salt. Application of this method to synthesis of nitroalkenes
Synthesis of unsaturated silyl nitronates via the silylation of conjugated nitroalkenes
作者:Elizaveta A. Khotyantseva、Andrey A. Tabolin、Roman A. Novikov、Yulia V. Nelyubina、Sema L. Ioffe
DOI:10.1016/j.tetlet.2018.07.011
日期:2018.8
A new method for the synthesis of conjugated silyl nitronates from nitroalkenes is described. The procedure has wide substrate scope and is compatible with in situ generation of the substrates from 2-nitroalcohols or 2-chloro-nitroalkanes. A cascade transformation to give 3,4,5,6-tetrahydropyridine N-oxide derivatives was disclosed.