Hydrogenation of Toluidines Catalyzed by Silica-supported Carboxymethylcellulose-platinum Complex

高等学校化学研究 ›› 2004, Vol. 20 ›› Issue (2): 176-179.

Hydrogenation of Toluidines Catalyzed by Silica-supported Carboxymethylcellulose-platinum Complex

WANG Xin^1,2, YANG Ji-huo¹, HUANG Mei-yu², JIANG Ying-yan²

1. Department of Chemistry, Huazhong University of Science and Technology, Wuhan 430074, P. R. China;
2. Group 4060, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, P. R. China

收稿日期:2003-12-05 出版日期:2004-04-24 发布日期:2011-08-06

Hydrogenation of Toluidines Catalyzed by Silica-supported Carboxymethylcellulose-platinum Complex

WANG Xin^1,2, YANG Ji-huo¹, HUANG Mei-yu², JIANG Ying-yan²

1. Department of Chemistry, Huazhong University of Science and Technology, Wuhan 430074, P. R. China;
2. Group 4060, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, P. R. China

Received:2003-12-05 Online:2004-04-24 Published:2011-08-06

摘要/Abstract

摘要： The hydrogenation of toluidines catalyzed by silica-supported carboxymethyl cellulose platinum complex forms methylcyclohexlamines in high yields, such as m-toluidine to 3-methylcyclohexylamine, o-toluidine to 2-methylcyclohexylamine, and p-toluidine to 4-methylcyclohexylamine in 97%, 96.7% and 98.2% yields,respectively, at 30 C and under atmospheric hydrogen pressure. The yields were remarkably affected by the Pt content in the complex, the kind of solvent and the reaction temperature. The catalyst was very stable and could be reused several times without remarkable change in the catalytic activity.

关键词: Hydrogenation, Silica-supported carboxymethyl cellulose-platinum complex, Toluidine, Methylcyclohexylamine

Abstract: The hydrogenation of toluidines catalyzed by silica-supported carboxymethyl cellulose platinum complex forms methylcyclohexlamines in high yields, such as m-toluidine to 3-methylcyclohexylamine, o-toluidine to 2-methylcyclohexylamine, and p-toluidine to 4-methylcyclohexylamine in 97%, 96.7% and 98.2% yields,respectively, at 30 C and under atmospheric hydrogen pressure. The yields were remarkably affected by the Pt content in the complex, the kind of solvent and the reaction temperature. The catalyst was very stable and could be reused several times without remarkable change in the catalytic activity.

Key words: Hydrogenation, Silica-supported carboxymethyl cellulose-platinum complex, Toluidine, Methylcyclohexylamine

WANG Xin, YANG Ji-huo, HUANG Mei-yu, JIANG Ying-yan. Hydrogenation of Toluidines Catalyzed by Silica-supported Carboxymethylcellulose-platinum Complex[J]. 高等学校化学研究, 2004, 20(2): 176-179.

WANG Xin, YANG Ji-huo, HUANG Mei-yu, JIANG Ying-yan. Hydrogenation of Toluidines Catalyzed by Silica-supported Carboxymethylcellulose-platinum Complex[J]. Chemical Research in Chinese Universities, 2004, 20(2): 176-179.

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Hydrogenation of Toluidines Catalyzed by Silica-supported Carboxymethylcellulose-platinum Complex

Hydrogenation of Toluidines Catalyzed by Silica-supported Carboxymethylcellulose-platinum Complex

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