Microwave-assisted Michael reaction between EMME and various amines such as diphenylamine, 4-methyl-N-phenylbenzenamine, N-phenylnaphthalen-1-amine, dihexylamine, diisopropylamine, and 4-nitrobenzenamine were described. Solvent-free conditions on alumina as solid support in the presence of $K_2CO_3$ catalysts gave moderate to good yields (55 - 93%) of diethylmalonate analogues having enamine moieties under focused microwave irradiation.
介绍了微波辅助的
EMME 与各种胺(如
二苯胺、
4-甲基-N-苯基苯胺、N-苯基
萘-1-胺、
二己胺、
二异丙基胺和
4-硝基苯胺)之间的迈克尔反应。在聚焦微波辐照下,以氧化铝为固体载体,在
$K_2CO_3$催化剂存在下的无溶剂条件下,具有烯胺分子的
二乙基丙二酸类似物的产率为中等到良好(55 - 93%)。