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| Spectrometric study ofα-methylene aromatic araminenone and aminoketone | |
| 作者姓名： | Li Yuan Mou~b Zi Yun Lin~a Li Ya Zhu~(a *) Xiao Tian Liang~a' a Institute of Materia Medica Chinese Academy of Medical Sciences and Peking Union Medical College Beijing 100050 China b Center for Biophysical Science and Engineering University of Alabama at Birmingham Birmingham AL 35294 USA |
| 作者单位： | a，* |
| 摘 要： | Thirteenα-methylene aromatic araminenone and fourα-methylene aromatic aminoketones were prepared by modified Mannich reaction.On the basis of isotopic labeling,a plausible way of cleavage was proposed for the formation of the M~ -17 fragment peak in the MS of theα-methylene aromatic araminenone and aminoketones.The characteristic chemical shift of the olefinic protons in ~1H NMR is also discussed. |
| 关 键 词： | α-Methylene aromatic araminenone and aminoketones Spectrometric study |
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