Efficient Catalysts In situ Generated from Zinc, Amide and Benzyl Bromide for Epoxide/CO<sub>2</sub>
Coupling Reaction at Atmospheric Pressure
作者:Shuai Zhang、Feng Han、Shaorui Yan、Mingyue He、Chengxia Miao、Liang-Nian He
DOI:10.1002/ejoc.201801653
日期:2019.2.14
Active catalysts in situ generated from Zn powder, dimethyl formamide and benzyl bromide were designed for fixation of CO2 to cyclic carbonates at 80 °C and atmospheric pressure of CO2. Zinc bromide and N,N‐dibenzyl‐N,N‐dimethylammonium bromide, being proved as active catalyst species, were in situ generated and immediately converted various terminal epoxides to the corresponding carbonates efficiently
原位活性催化剂选自Zn粉末生成,二甲基甲酰胺和苄基溴被设计为CO的固定2到环状碳酸酯在80℃和CO的大气压力2。事实证明,溴化锌和N,N-二苄基-N,N-二甲基溴化铵是活性催化剂,可立即将各种末端环氧化物有效地转化为相应的碳酸盐。