Synthesis of carbamates from aliphatic amines and dimethyl carbonate catalyzed by acid functional ionic liquids

Hancheng Zhou; Feng Shi; Xiong Tian; Qinghua Zhang; Youquan Deng

doi:10.1016/j.molcata.2007.02.017

Synthesis of carbamates from aliphatic amines and dimethyl carbonate catalyzed by acid functional ionic liquids

Hancheng Zhou, Feng Shi, Xiong Tian, Qinghua Zhang, Youquan Deng

CAS - Lanzhou Institute of Chemical Physics

Research output: Contribution to journal › Article › peer-review

72 Scopus citations

Abstract

Selective synthesis of carbamates from amines and dimethyl carbonate were studied in the presence of various ionic liquids as catalysts. The -SO₃H-functionalized ionic liquid was found to be the most active catalyst among the applied ionic liquids, and nearly 100% conversion and 95% selectivity were achieved when using 1,6-hexanediamine as reactant. The acid functional ionic liquid catalyst system is also readily separable and reusable after reaction.

Original language	English
Pages (from-to)	89-92
Number of pages	4
Journal	Journal of Molecular Catalysis A: Chemical
Volume	271
Issue number	1-2
DOIs	https://doi.org/10.1016/j.molcata.2007.02.017
State	Published - 18 Jun 2007
Externally published	Yes

Keywords

Amine
Carbamates
Green chemistry
Ionic liquid
Non-phosgene

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10.1016/j.molcata.2007.02.017

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abstract = "Selective synthesis of carbamates from amines and dimethyl carbonate were studied in the presence of various ionic liquids as catalysts. The -SO3H-functionalized ionic liquid was found to be the most active catalyst among the applied ionic liquids, and nearly 100% conversion and 95% selectivity were achieved when using 1,6-hexanediamine as reactant. The acid functional ionic liquid catalyst system is also readily separable and reusable after reaction.",

keywords = "Amine, Carbamates, Green chemistry, Ionic liquid, Non-phosgene",

author = "Hancheng Zhou and Feng Shi and Xiong Tian and Qinghua Zhang and Youquan Deng",

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AU - Zhou, Hancheng

AU - Shi, Feng

AU - Tian, Xiong

AU - Zhang, Qinghua

AU - Deng, Youquan

PY - 2007/6/18

Y1 - 2007/6/18

N2 - Selective synthesis of carbamates from amines and dimethyl carbonate were studied in the presence of various ionic liquids as catalysts. The -SO3H-functionalized ionic liquid was found to be the most active catalyst among the applied ionic liquids, and nearly 100% conversion and 95% selectivity were achieved when using 1,6-hexanediamine as reactant. The acid functional ionic liquid catalyst system is also readily separable and reusable after reaction.

AB - Selective synthesis of carbamates from amines and dimethyl carbonate were studied in the presence of various ionic liquids as catalysts. The -SO3H-functionalized ionic liquid was found to be the most active catalyst among the applied ionic liquids, and nearly 100% conversion and 95% selectivity were achieved when using 1,6-hexanediamine as reactant. The acid functional ionic liquid catalyst system is also readily separable and reusable after reaction.

KW - Amine

KW - Carbamates

KW - Green chemistry

KW - Ionic liquid

KW - Non-phosgene

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DO - 10.1016/j.molcata.2007.02.017

M3 - 文章

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JO - Journal of Molecular Catalysis A: Chemical

JF - Journal of Molecular Catalysis A: Chemical

IS - 1-2

ER -

Synthesis of carbamates from aliphatic amines and dimethyl carbonate catalyzed by acid functional ionic liquids

Abstract

Keywords

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