Effect of silica support modified by dodecatungstophosphoric acid on course of the pseudoionone cyclization

被引：0
|
作者：
Rachwalik, Rafal [1 ]
机构：
[1] Politech Krakowskiej Tadeusza Kosciuszki, Wydziale Inzynierii & Technol Chem, Krakow, Poland
来源：
PRZEMYSL CHEMICZNY | 2016年 / 95卷 / 10期
关键词：
HYBRIDIZED NANOCOMPOSITE; CATALYTIC-PROPERTIES; TRANSFORMATIONS; IONONES; MCM-41; KIND;
D O I：
10.15199/62.2016.10.18
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Pseudoionone was cyclized in lig. phase at 363 and 383 K over 4 various SiO2 supports modified by dodecatungstophosphoric acid to alpha- and beta-ionones as main products. The yield of a-ionone was 45-60% after 2 h. It was attributed predominantly to the absence of steric constraints in the materials for transformation of pseudoionone.
引用
收藏
页码：1942 / 1946
页数：5
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