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Indifference to Hydrogen Bonding in a Family of Secondary Amides

机译:对仲酰胺家族中氢键的冷漠

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摘要

N-H stretch region IR spectroscopy has been used to probe the hydrogen bond-donating properties of six structurally related secondary amides in which the amide group is flanked by sterically bulky groups. For three of the compounds, solid state IR analysis reveals N-H stretch bands >3400 cm~-1, which suggests the absence of intermolecular N-H-O=C hydrogen bonds.
机译:N-H拉伸区红外光谱已用于探测六种结构相关的仲酰胺的氢键给体性质,其中酰胺基位于空间庞大的基团的两侧。对于这三种化合物,固态红外分析显示N-H拉伸带> 3400 cm-1,这表明不存在分子间N-H-O = C氢键。

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