Studies of the <I>cis</I>-<I>trans</I> Isomerization of 3-Aryl-1,2,3-oxathiazolidine-2-oxides
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概要
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The isomerization of the <I>cis</I>- or <I>trans</I>-3-aryl-1,2,3-oxathiazolidine-2-oxides was investigated under various conditions. The isomerization proceeded in carbon tetrachloride, chloroform, and benzyl chloride solutions at a low temperature. On the other hand, in other organic solvents, such as benzene, acetone, pyridine, <I>N</I>,<I>N</I>-dimethylformamide, and chlorobenzene, isomerization did not occur. The results can be explained by the mechanism which yields the open-chain halosulfamic acid anion by the attack of a halogen ion on the 5-position. The anion can close to <I>cis</I>- or <I>trans</I>-oxathiazolidine.
- 公益社団法人 日本化学会の論文
著者
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Nishiyama Tomihiro
Department Of Applied Chemistry
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Yamada Fukiko
Department of Applied Chemistry, Faculty of Engineering, Kansai University
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