The sustainable heterogeneous catalytic reductive amination of lignin models to produce aromatic tertiary amines
作者:Haigang Zhang、Xinli Tong、Zonghui Liu、Jun Wan、Linhao Yu、Zhenya Zhang
DOI:10.1039/c8cy01480a
日期:——
efficient reductive amination is developed in the presence of heterogeneous zirconium-based catalysts, in which N,N-dimethylformamide is used as the solvent, low-molecular-weight amine source and reductant. Aromatic tertiary amines have been produced from lignin-derived aromatic aldehydes via the mild Leuckart reaction with ZrO2 or ZrO(OH)2 as catalysts, for instance, a 95.8% yield of N,N-dimethyl-1-(3,4,
在异质锆基催化剂的存在下,开发了一种用于有效还原胺化的新型异质催化方法,其中N,N-二甲基甲酰胺用作溶剂,低分子量胺源和还原剂。木质素衍生的芳族醛类通过与ZrO 2或ZrO(OH)2作为催化剂的温和的Leuckart反应,例如以95.8%的N,N-二甲基-1-(3,4,从3,4,5-三甲氧基苯甲醛在温和的条件下进行还原胺化反应,可获得100%选择性的5-三甲氧基苯基)甲胺。