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3 年
Phil Baran教授杂环化学概要课件:常见杂环的键长及NMR ...
本文内容来源于Phil Baran教授杂环化学概要课件,版权归原作者所有,仅用于学习交流之用。 各种杂环的 核磁数据中,都给出了特定位置的氢(氢谱)和碳(碳谱)化学位移,还有相邻和相间的两个氢的偶合常数J值。这些数据对于核磁解析非常有用。就拿最简单的吡啶来介绍,化学位移由低到高为 ...
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