Catalytic activity of Ru/tetrahydropyrimidinium salts system for transfer hydrogenation reactions
作者:Emine Özge Karaca、Nevin Gürbüz、Hakan Arslan、Don VanDerveer、İsmail Özdemir
DOI:10.1002/aoc.3322
日期:2015.7
3‐dialkyltetrahydropyrimidinium salts as NHC precursors have been synthesized and characterized. The in situ prepared three‐component 1,3‐dialkyltetrahydropyrimidinium salts/[RuCl2(p‐cymene)]2 and KOH catalyzes quantitatively the transfer hydrogenation of ketones under mild reaction conditions in 2‐propanol. Also, the molecular structure of 1,3‐bis(2‐methylbenzyl)‐3,4,5,6‐tetrahydropyrimidinium was determined using
已经合成并表征了作为NHC前体的新型1,3-二烷基四氢嘧啶鎓盐。在原位制备的三组分1,3- dialkyltetrahydropyrimidinium盐/将[RuCl 2(p -cymene)] 2和KOH定量催化温和的反应条件下在2-丙醇酮的转移氢化。此外,使用单晶X射线衍射测定了1,3-双(2-甲基苄基)-3,4,5,6-四氢嘧啶鎓的分子结构。标题化合物的离子通过CH …Cl和OH …Cl氢键相互作用连接。所述N个 Ç N键角(124.3(2)°)和C N键长度(1.316(3)和1.314(3)Å)证实了在该分子的这一部分中存在强共振。版权所有©2015 John Wiley&Sons,Ltd.