Estimation of isomer ratio of 2,3-alkanedione dioxime using high-resolution 13C NMR in the solid state.
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概要
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High-resolution <SUP>13</SUP>C NMR spectra were measured for the CH<SUB>3</SUB>–C(=NOH)–C(=NOH)–R (R=CH<SUB>3</SUB>, C<SUB>2</SUB>H<SUB>5</SUB>, <I>n</I>-C<SUB>3</SUB>H<SUB>7</SUB>, and <I>n</I>-C<SUB>4</SUB>H<SUB>9</SUB>) series in the solid state. A commercially available powder, dimethylglyoxime (R=CH<SUB>3</SUB>), produced two C<SUP>2</SUP> signals, indicating two isomers: i.e., <I>s</I>-<I>trans</I>-(<I>E</I>,<I>E</I>) and <I>s</I>-<I>cis</I>-(<I>E</I>,<I>E</I>). The ratio of <I>trans</I>: <I>cis</I> was estimated to be 3:1.
- 公益社団法人 日本化学会の論文
著者
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Kinoshita Setsuko
Department Of Chemistry Faculty Of Science Fukuoka University
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Wakita Hisanobu
Department Of Chemistry Faculty Of Science Fukuoka University
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Masuda Isao
Department of Chemistry, Faculty of Science, Fukuoka University
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