Lewis Acidic Guanidinium Ionic Liquids: Novel, Efficient and Recyclable Catalysts for Aminolysis of Epoxides

Chemical Research in Chinese Universities ›› 2011, Vol. 27 ›› Issue (5): 780-783.

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Lewis Acidic Guanidinium Ionic Liquids: Novel, Efficient and Recyclable Catalysts for Aminolysis of Epoxides

CAO Jun-gang¹, CAO Hui-min¹, LIN Ying-jie¹, LIANG Da-peng¹, DUAN Hai-feng^1*, HAN Song-yang¹ and ZHAO Xue-zhong^2*

1. Department of Organic Chemistry, College of Chemistry, Jilin University, Changchun 130012, P. R. China;
2. Department of Cardiology, the First Hospital of Jilin University, Changchun 130021, P. R. China

Received:2010-12-27 Revised:2011-06-13 Online:2011-09-25 Published:2011-09-06
Contact: DUAN Hai-feng;ZHAO Xue-zhong E-mail:duanhf@jlu.edu.cn; zhxzh@medmail.com.cn

Abstract

Abstract: Lewis acidic guanidinium ionic liquid(LAGIL) 2c was used as a novel, efficient and recyclable catalyst for aminolysis of epoxides under solvent-free and room temperature conditions, giving the corresponding β-amino alcohols with moderate to excellent regioselectivity(up to 91:9) in high yields(up to 97%). In addition, LAGIL 2c was recycled three times without any loss of catalytic activity and selectivity to the product.

Key words: Lewis acidic guanidinium ionic liquid, Aminolysis, Epoxide, Solvent-free

CAO Jun-gang, CAO Hui-min, LIN Ying-jie, LIANG Da-peng, DUAN Hai-feng*, HAN Song-yang and ZHAO Xue-zhong*. Lewis Acidic Guanidinium Ionic Liquids: Novel, Efficient and Recyclable Catalysts for Aminolysis of Epoxides[J]. Chemical Research in Chinese Universities, 2011, 27(5): 780-783.

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Lewis Acidic Guanidinium Ionic Liquids: Novel, Efficient and Recyclable Catalysts for Aminolysis of Epoxides

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