AN INFRARED STUDY OF SELECTIVE HYDROGENATION OF CARBOXYLIC-ACIDS TO CORRESPONDING ALDEHYDES OVER A ZRO2 CATALYST - PIVALIC ACID TO 2,2-DIMETHYLPROPANAL

被引：19

作者：

DING, N ^{[1
]}

KONDO, J ^{[1
]}

MARUYA, K ^{[1
]}

DOMEN, K ^{[1
]}

YOKOYAMA, T ^{[1
]}

FUJITA, N ^{[1
]}

MAKI, T ^{[1
]}

机构：

[1] MITSUBISHI KASEI CORP,RES CTR,MIDORI KU,YOKOHAMA 227,JAPAN

来源：

CATALYSIS LETTERS | 1993年 / 17卷 / 3-4期

关键词：

ZRO2; IR SPECTROSCOPY; DIRECT REDUCTION;

D O I：

10.1007/BF00766153

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：

A selective hydrogenation of pivalic acid ((CH3)3C-COOH) to 2,2-dimethylpropanal ((CH3)3C-CHO) was studied by infrared spectroscopy. While pivalic acid adsorbed on Cr2O3-ZrO2 as a carboxylate ((CH3)3C-COO-) above 303 K and decomposed at 773 K, it was reduced by H-2 at 623 K. The adsorbed aldehyde changed into the carboxylic acid ion species above 523 K via several intermediate species observed below 303 K.

引用

页码：309 / 317

页数：9

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