EFFECT OF THE POSITION OF CL-SUBSTITUENTS ON THE NITRILE FORMATION DURING THE AMMOXIDATION OF CHLOROTOLUENES

被引：29

作者：

MARTIN, A ^{[1
]}

LUCKE, B ^{[1
]}

WOLF, GU ^{[1
]}

MEISEL, M ^{[1
]}

机构：

[1] HUMBOLDT UNIV BERLIN,INST ANORGAN & ALLGEMEINE CHEM,D-10115 BERLIN,GERMANY

来源：

CATALYSIS LETTERS | 1995年 / 33卷 / 3-4期

关键词：

AMMOXIDATION; VANADIUMPHOSPHATE CATALYST; CHLOROTOLUENES; SUBSTITUTED BENZONITRILES;

D O I：

10.1007/BF00814237

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：

The conversion of isomeric chlorotoluenes to the corresponding benzonitriles by heterogeneous catalytic ammoxidation was studied. The reaction was carried out over (NH4)(2)[(VO)(3)(P2O7)(2)] as catalyst generated under the applied ammoxidation conditions by a solid-state reaction of the precursor compound VOHPO4 . 0.5H(2)O. Activity and selectivity of the ammoxidation of chlorotoluenes are shown to depend on the position of the Cl-substituents causing a changed accessibility of the methyl group and a possible different electronic stabilization of the reaction intermediates.

引用

页码：349 / 355

页数：7

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