中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
N-(2-氨基乙基)环己胺 | N-cyclohexylethylenediamine | 5700-53-8 | C8H18N2 | 142.244 |
叔丁基苄基(2-氧代-2-(哌啶-1-基)乙基)氨基甲酸酯 | N-cyclohexyl-N-(2-cyclohexylamino-ethyl)-formamide | 753502-41-9 | C15H28N2O | 252.4 |
—— | N,N'-dicyclohexyl-N,N'-ethanediyl-bis-formamide | 4483-46-9 | C16H28N2O2 | 280.411 |
A simple method for N-alkylation of 1,2-diaminoethane with different alcohols in a fixed-bed reactor using cheap CuO-NiO/γ-Al2O3 as the catalyst has been developed. The present catalytic system was applicable in the N-alkylation of 1,2-diaminoethane with both primary and secondary alcohols. Mono-N-alkylation of 1,2-diaminoethane with low-carbon alcohols resulted in high yields; the yields of tetra-N-alkylation of 1,2-diaminoethane with low-carbon alcohols declined markedly with the increase of the molecular volume of alcohols.