共轭体系
催化作用
纳米颗粒
聚合物
大气压力
高压
吸附
化学
组合化学
材料科学
化学工程
高分子化学
有机化学
纳米技术
工程类
地质学
海洋学
工程物理
作者
Xinyi Bai,Qian Zhang,Fanyong Yan,Xingwang Lan
标识
DOI:10.1016/j.apsusc.2022.154566
摘要
Efficiently converting CO2 into value-added 2-oxazolidinone under atmospheric pressure remains a great challenging. In this work, a thiadiazole-based conjugated organic polymer (BT-COP) was synthesized for anchoring Ag nanoparticles towards the efficient conversion of CO2 into oxazolidinones from propargylic amines under mild conditions. The S atom in thiadiazole unit acts as an anchoring site for Ag nanoparticles and control their growth. The as-prepared [email protected] shows a high CO2 adsorption capacity and good catalytic activity and recyclability for the carboxylative cyclization of propargylic amines with CO2 to value-added 2-oxazolidinones under atmospheric pressure. The quasi-in-situ spectroscopy monitoring reaction process and intermediates reveals that the integration of BT-COP and Ag sites into the [email protected] can serve as a dual catalyst for capturing and activating CO2 and propargylic amines simultaneously.
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