Intramolecular cyclization of O-(3,5-dinitrophenyl) and O-(3-amino-5-nitrophenyl) ketoximes, products of transformations of 1,3,5-trinitrobenzene. The synthesis of nitrobenzo[b]furans and 4-hydroxynitroindoles
Synthesis of 4,6-dinitrobenzo[b]furans from 1,3,5-trinitrobenzene
作者:Mikhail D. Dutov、Irina A. Vatsadze、Sergei S. Vorob’ev、Svyatoslav A. Shevelev
DOI:10.1070/mc2005v015n05abeh002137
日期:2005.1
O-3,5-Dinitrophenylketoximes obtained by treatment of ketoximes with 1,3,5-trinitrobenzene undergo acid-catalysed cyclization to give 4,6-dinitrobenzo[b]furans substituted at the 2- or 2- and 3-positions.