二胺
嘧啶
化学
生物催化
光谱学
离子液体
催化作用
立体化学
有机化学
量子力学
物理
作者
W. B. Cowden,Paul P. Waring
摘要
An investigation of the products of N-oxidation of pyrimidine-2,4- diamine demonstrated that 15N spectroscopy is an unreliable technique for the determination of the site of N-oxidation. The 15N shifts caused by N-oxidation were small and downfield and of no diagnostic value.
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