Synthesis and photoinitiating properties of N-substituted 2,6-diisopropylanilines
摘要:
Reactions of 2,6-diisopropylaniline and its 4-bromo and 4-thiocyanato derivatives with methyl iodide in dimethylformamide in the presence of potassium carbonate gave exclusively the corresponding N,N-dimethyl-substituted products. Heating of 2,6-diisopropylaniline and 2,6-diisopropyl-4-thiocyanatoaniline with methyl iodide without a solvent afforded only N-methyl derivatives.
羰基钌 (II) 与色酮席夫碱配体形成 [RuCl(CO)(EPh 3 )(L)] ( 1 – 4 ) (E = P or As, L = 3-(benzothiazol-2-yl-) hydrazonomethyl-chromen)-4-one (BTHC) 或 3-(quinolin-2-yl-hydrazonomethyl)-chromen-4-one (QHC) 被配制并进行微观分析以及光谱分析(IR、UV-Vis、1 H & 13 C NMR and ESI mass).通过单晶X射线衍射分析研究了配合物3的分子结构.结果表明配合物具有扭曲的八面体几何结构,配体配位为单负三齿 NSO/NNO 时尚。钌配合物 ( 1 – 4) 被筛选为 N-烷基化和 β-烷基化反应的催化剂。值得注意的是,络合物1被发现是一种非常有效且灵活的催化剂,可用于多种伯胺与醇的 N-烷基化。此外,络合物1作为