AMORNRAKSA K.; GRIGG R., TETRAHEDRON LETT., 1980, 21, NO 22, 2197-2200
作者:AMORNRAKSA K.、 GRIGG R.
DOI:——
日期:——
Preparation and thermal fragmentation of imidazolidines derived from aryl imines
作者:Kitti Amornraksa、Ronald Grigg
DOI:10.1016/s0040-4039(00)78997-0
日期:1980.1
Aryl imines of diethyl aminomalonate undergo facile dimerisation to imidazolidines. Heating the imidazolidines at 110° in the presence of N-phenyl maleimide or diethyl azodicarboxylate gives pyrrolidines and triazolidines respectively via a retro 1,3-dipolar cycloaddition.