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本文报道了一类新化合物N-(β-胺基-4-氯桂皮酰基)另丁胺的NMR及烯胺结构中氮上质子与相邻碳上质子间的偶合。依据~1HNMR指定了这类化合物的构型,提出了一个化合物的X光衍射结果,证实了所指定的构型,用去偶技术确认了烯胺结构中氮上质子与相邻碳上质子间的偶合现象。
In this paper, we report the NMR of a new class of N- (β-amino-4-chlorocinnamyl) butylamine and the coupling between the proton on the nitrogen and the proton on the adjacent carbon in the enamine structure. The structures of these compounds were assigned according to ~ 1HNMR and the X-ray diffraction results of a compound were obtained. The indicated configurations were confirmed. The decarboxylation technique was used to confirm the relationship between the nitrogen proton in the enamine structure and the proton in the adjacent carbon Coupling phenomenon.