Green and practical synthesis of carbamates from ureas and organic carbonates

Guo X.; Shang J.; Li J.; Wang L.; Ma Y.; Shi F.; Deng Y.

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Green and practical synthesis of carbamates from ureas and organic carbonates

机译：由尿素和有机碳酸盐合成绿色实用的氨基甲酸酯

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A practical method for the synthesis of carbamates from ureas and organic carbonates was developed with 100% atom economy using La_2O _3/SiO_2 as catalyst without any additional solvent. The scope of the protocol is demonstrated in the synthesis of 14 carbamates with various functional groups in excellent yields (76-95%).

机译：以La_2O _3 / SiO_2为催化剂，不用任何额外的溶剂，就以100％的原子经济性开发了一种由脲和有机碳酸盐合成氨基甲酸酯的实用方法。该协议的范围在具有优异收率（76-95％）的14个具有各种官能团的氨基甲酸酯的合成中得到了证明。

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《Synthetic Communications》 |2011年第9期|共10页
作者
Guo X.; Shang J.; Li J.; Wang L.; Ma Y.; Shi F.; Deng Y.;
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正文语种 eng
中图分类有机化学;
关键词
Atom economy; carbamates; carbonates; clean synthesis; lanthana; urea derivatives;

机译：原子经济;氨基甲酸酯;碳酸盐;清洁合成;镧系元素;脲衍生物;

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专利

1. Green and practical synthesis of carbamates from ureas and organic carbonates [J] . Guo X., Shang J., Li J., Synthetic Communications . 2011,第7a9期

机译：由尿素和有机碳酸盐合成绿色实用的氨基甲酸酯
2. An efficient one-pot synthesis of industrially valuable primary organic carbamates and N-substituted ureas by a reusable Merrifield anchored iron(ii)-anthra catalyst [Fe-II(Anthra-Merf)] using urea as a sustainable carbonylation source [J] . Basu Priyanka, Dey Tusar Kanto, Ghosh Aniruddha, New Journal of Chemistry . 2020,第6期

机译：使用尿素作为可持续羰基化源，通过可再使用的Merrifield锚定铁（II）锚（II）催化剂[Fe-II（Anthra-Merf）锚定铁（II） - 催化剂（II）的高效单糖合成。
3. Atom-economy Synthesis of N-Substituted Carbamate from Urea Derivative and Dimethyl Carbonate Catalyzed by La/SiO₂: Characterization and Activity [J] . Xiaoguang Guo, Jianpeng Shang, Jian Li, Chinese Journal of Chemistry . 2010,第2期

机译：La / SiO _{2 催化尿素衍生物和碳酸二甲酯合成N-取代氨基甲酸酯的原子经济：表征和活性}
4. New catalysts for the conversion of urea into carbamates and carbonates with C1 and C2 alcohols [C] . International Conference on Carbon Dioxide Utilization . 2004

机译：用C1和C2醇将尿素转化为氨基甲酸酯和碳酸盐的新催化剂
5. A green approach toward useful organic chemicals: Carbon dioxide conversion to carboxylic acids and ureas. [D] . Tai, Chih-Cheng. 2005

机译：走向有用有机化学品的绿色方法：将二氧化碳转化为羧酸和尿素。
6. Synthesis of 333-trifluoroethyl isocyanate carbamate and ureas. Anticancer activity evaluation of N-(333-trifluoroethyl)-N-substituted ureas [O] . Elena L. Luzina, Anatoliy V. Popov -1

机译：333-三氟乙基异氰酸酯氨基甲酸酯和脲的合成。 N-（333-三氟乙基）-N-取代脲的抗癌活性评估
7. Synthesis of Amide Enol Carbamates and Carbonates through Cu(OTf)2Catalyzed Reactions of Ynamides with tButyl Carbamates/Carbonates [O] . -1

机译：用Cu（OTF）通过Cu（OTF）与甘氨酸碳酸丁酯/碳酸酯2催化反应的酰胺烯醇氨基氨基酯和碳酸酯

Green and practical synthesis of carbamates from ureas and organic carbonates

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