Formation of anisaldehyde via hydroxymethylation of anisole over SnO2–CeO2 catalysts

被引：0
|
作者：
T.M. Jyothi
M.B. Talawar
B.S. Rao
机构：
[1] National Chemical Laboratory,Catalysis Division
[2] High Energy Materials Research Laboratory,undefined
来源：
Catalysis Letters | 2000年 / 64卷
关键词：
hydroxymethylation; anisole; anisaldehyde; tin oxide; cerium oxide; catalysts;
D O I：
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学科分类号：
摘要：
Hydroxymethylation of anisole has been carried out over SnO2–CeO2 catalysts in the temperature range 623–723 K. Methoxybenzaldehyde (anisaldehyde) and condensation products were formed along with minor quantities of methoxybenzyl alcohol, o‐cresol, phenol and 2,6‐xylenol. A maximum anisaldehyde selectivity of 64% was obtained at 623 K at an anisole conversion of 46% under optimized conditions. Catalytic activity of these systems in the formation of aldehyde is ascribed to the presence of weak acid sites and redox metal sites.
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页码：151 / 155
页数：4
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