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The simple system of fixing CO2 to synthesize benzimidazolones at atmospheric pressure
Journal of CO2 Utilization ( IF 7.7 ) Pub Date : 2018-03-15 , DOI: 10.1016/j.jcou.2018.01.010
Xianting Cao , Haizhen A. Zhong , Pengfei Zhang , Hui Zheng

A simple chemical fixation of CO2 at atmospheric pressure to make valuable benzimidazolones derivates via the o-phenylene-diamines carbonylation reaction catalyzed by DBU/S was developed. Different reaction conditions were examined and optimized. A series of benzimidazolones derivatives were synthesized using NMP as solvent at 413K with excellent yields (80–94%). Various substrates were employed and the results suggested the wide application of our method. The quantum mechanics calculations demonstrated that the complexation of DBU with sulfur significantly enhanced the reaction. This protocol rovides a novel approach of fixing CO2 at atmospheric pressure into a series of 2-benzimidazolones derivates.



中文翻译:

在大气压力下固定CO 2来合成苯并咪唑酮的简单系统

开发了一种简单的大气压下CO 2的化学固定方法,以通过DBU / S催化的苯二胺二胺羰基化反应制备有价值的苯并咪唑酮。检查并优化了不同的反应条件。以NMP为溶剂,在413K上合成了一系列苯并咪唑酮衍生物,其收率极高(80-94%)。使用了各种基材,结果表明我们方法的广泛应用。量子力学计算表明,DBU与硫的络合显着增强了反应。该方案提供了一种在大气压力下将CO 2固定为一系列2-苯并咪唑酮衍生物的新颖方法。

更新日期:2018-03-15
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