H4SiW12O40 as the catalyst for the hydration and alcohol addition to 2-methylpropene

被引：1
|
作者：
Malecka, A [1 ]
Pozniczek, J [1 ]
机构：
[1] Polish Acad Sci, Inst Catalysis & Surface Chem, Krakow, Poland
来源：
COMPTES RENDUS DE L ACADEMIE DES SCIENCES SERIE II FASCICULE C-CHIMIE | 1998年 / 1卷 / 5-6期
关键词：
heteropolyacids; methyl-tert-butyl ether; tert-butyl alcohol;
D O I：
10.1016/S1387-1609(98)80174-6
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Catalytic hydration of 2-methyl-2-propene to tert-butanol (TBA) and alkylation with methanol to methyl-tert-butyl et:her (MTBE) with dodecatungstosilicic acid H4SiW12O40 as catalyst were investigated in a constant flow reactor at 40-80 degrees C. The catalyst is active in both reactions and exhibits high selectivities. The mechanisms of both reactions involving protonated intermediates were proposed. (C) Academie des Sciences/Elsevier, Paris.
引用
收藏
页码：361 / 368
页数：8
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