Activity and selectivity control in reductive amination of butyraldehyde over noble metal catalysts

被引：64

作者：

Bödis, J

Lefferts, L

Müller, TE

Pestman, R

Lercher, JA

机构：

[1] Tech Univ Munich, Dept Chem, D-85747 Garching, Germany

[2] Univ Babes Bolyai, Dept Organ Chem, R-3400 Cluj Napoca, Romania

[3] DSM Res & Patents, NL-6160 MD Geleen, Netherlands

[4] Univ Twente, Dept Chem Technol, NL-7500 AE Enschede, Netherlands

来源：

CATALYSIS LETTERS | 2005年 / 104卷 / 1-2期

关键词：

reductive amination; butyraldehyde; amines; noble metal catalysts; carbon supports;

D O I：

10.1007/s10562-005-7431-4

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Approaches to control selectivity and activity in the catalytic reductive amination of butyraldehyde with ammonia over carbon supported noble metal catalysts (Ru, Rh, Pd, and Pt) were explored. Detailed analysis of the reaction network shows that the Schiff base N-[butylidene]butan-1-amine is the most prominent initial product and, only after nearly all butyraldehyde had been converted to N-[butylidene]butan-1-amine, amines are detected in the product mixture. From this intermediate, good hydrogenolysis catalysts (Ru, Rh) produce mostly butylamine, while catalysts less active in hydrogenolysis (Pd, Pt) lead to the hydrogenation of N-[butylidene]butan-1-amine to mostly dibutylamine.

引用

页码：23 / 28

页数：6

共 42 条

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