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KMID : 1059519870310060486
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Journal of the Korean Chemical Society
1987 Volume.31 No. 6 p.486 ~ p.490
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Effect of Some Amides on the Hindered Rotation of N-C(S) Bond of Thioacetamide in CCl4
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Ro Seong-Gu
Choi Young-Sang
Yoon Chang-Ju
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Abstract
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The effect of the hydrogen-bonding between thioacetamide (TA) and amides (N,N-dimethylformamide (DMF), N,N-dimethylacetamide (DMA) and N,N-dimethylpropionamide (DMP)) on the hindered rotation of N-C(S) bond of TA was investigated by the nmr spectroscopy. The 1H-nmr spectrum of NH2 group in TA was distinctly separated into two peaks with increasing the amount of CCl4 and the effect of amides on the peak separation was in the order of DMF < DMA < DMP. Those phenomena were interpreted in terms of hydrogen-bonding between TA and amide.
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