709-93-3Relevant academic research and scientific papers
CO2 activation and fixation: highly efficient syntheses of hydroxy carbamates over Au/Fe2O3
Shang, Jianpeng,Guo, Xiaoguang,Li, Zuopeng,Deng, Youquan
, p. 3082 - 3088 (2016/06/06)
This paper reports an effective route for the syntheses of hydroxy carbamates from the reaction of CO2, epoxides and amines catalyzed by a Au/Fe2O3 catalyst. Under the optimized reaction conditions, various hydroxy carbamates were successfully synthesized with 92-98% isolated yields. The catalyst could be reused for several runs without deactivation. A plausible reaction mechanism was proposed by which the hydroxy carbamate was formed through an ammonium carbamate intermediate and the catalyst mainly promoted further nucleophilic addition between the epoxide and ammonium carbamate.
The influence of the structure of alcohols on the rate of N,N'-diphenylurea alcoholysis
Mantrov,Chimyashkin
, p. 688 - 691 (2007/10/03)
The kinetics and mechanism of the reaction between symmetrical diphenylurea and various alcohols in the absence of inert solvents were studied. The activation parameters of alcoholysis were determined. A correlation equation that described the influence of the nature of the alcohol on the rate of the reaction was obtained. Copyright
