Unexpected reduction of the nitro group in (3-nitrophenyl)-1,2,4-triazines during their aza-Diels–Alder reaction with 1-morpholinocyclopentene
作者:Dmitry S. Kopchuk、Albert F. Khasanov、Igor S. Kovalev、Grigory V. Zyryanov、Vladimir L. Rusinov、Oleg N. Chupakhina
DOI:10.1016/j.mencom.2013.07.010
日期:2013.7
Unexpected reduction of the nitro group to the amino one during aza-Diels-Alder reaction between (3-nitrophenyl)-1,2,4-triazines and 1-morpholinocyclopentene (neat, 200 degrees C, argon) occurred to furnish 4-(3-aminophenyl)-6,7-dihydro-5H-cyclopenta[c]pyridines.