Highly Efficient Synthesis of Alkyl N-Arylcarbamates from CO2, Anilines, and Branched Alcohols with a Catalyst System of CeO2 and 2-Cyanopyridine,ACS Sustainable Chemistry & Engineering

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Highly Efficient Synthesis of Alkyl N-Arylcarbamates from CO2, Anilines, and Branched Alcohols with a Catalyst System of CeO2 and 2-Cyanopyridine
ACS Sustainable Chemistry & Engineering ( IF 7.1 ) Pub Date : 2019-09-24 , DOI: 10.1021/acssuschemeng.9b04318
Yu Gu ₁ , Ayaka Miura ₁ , Masazumi Tamura _{1,

2} , Yoshinao Nakagawa ₁ , Keiichi Tomishige ₁

Affiliation

Highly efficient synthesis of alkyl N-arylcarbamates from CO₂, anilines, and alcohols using the CeO₂ and 2-cyanopyridine catalyst system was substantiated by selecting branched alcohols, such as 2-propanol and cyclohexanol, with minimized formation of byproducts, such as dialkyl carbonates and picolinamide. The catalyst system is operable even at low CO₂ pressure (≤1 MPa), and the target carbamates were obtained with high arylamine-based yields (up to 94%).

中文翻译：

CeO ₂和2-氰基吡啶催化体系从CO ₂，苯胺和支链醇高效合成烷基N-芳基氨基甲酸酯

通过使用CeO ₂和2-氰基吡啶催化剂体系，从CO ₂，苯胺和醇高效合成N-芳基氨基甲酸烷基酯的方法是通过选择支链醇（例如2-丙醇和环己醇）来实现，同时将副产物（例如二烷基）的形成降到最低碳酸盐和吡啶甲酸酰胺。该催化剂体系即使在低CO ₂压力（≤1 MPa）下仍可操作，并且以高芳基胺基收率（最高94％）获得了目标氨基甲酸酯。

更新日期：2019-09-25

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