LIQUID-PHASE OXIDATION OF 1,3-DIOXOLANES

被引：1
|
作者：
SCHNURPFEIL, D [1 ]
TEUBNER, M [1 ]
机构：
[1] TECH HSCH LEUNA MERSEBURG,INST TECH CHEM,MERSEBURG,GERMANY
来源：
JOURNAL FUR PRAKTISCHE CHEMIE-CHEMIKER-ZEITUNG | 1994年 / 336卷 / 02期
关键词：
D O I：
10.1002/prac.19943360210
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The oxidation rate and the kind of oxidation products in the oxidation reactions of the 1,3-dioxolanes (1a to 1f) with molecular oxygen in liquid phase were investigated. The 2-methyl-substituted 1,3-dioxolane (1b) has a lower, the 4-methyl-substituted 1,3-dioxolane (1d) has a higher oxidation rate than the non-substituted 1,3-dioxolane (1a). The 2,2-disubstituted 1,3-dioxolanes show no oxidation but a hydrolytic reaction. The main-products of the liquid-phase oxidation of the 1,3-dioxolanes la, lb, ld and le are the glycol-carbonic acid-monoesters 8 and the 2-oxo-1,3-dioxolanes 6. Their formation is proved by gaschromatography, GC/MS-coupling, DC and C-13-n.m.r.-spectroscopy.
引用
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页码：155 / 159
页数：5
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