Citation: Li Yuan Mou, Zi Yun Lin, Li Ya Zhu, Xiao Tian Liang. Spectrometric study of α-methylene aromatic araminenone and aminoketone[J]. Chinese Chemical Letters, ;2007, 18(10): 1253-1255. doi: 10.1016/j.cclet.2007.07.019 shu

Spectrometric study of α-methylene aromatic araminenone and aminoketone

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

Received Date: 24 April 2007

Fund Project: This work was supported by the National Natural Science Foundation of China (No.39970867).

Thirteen α-methylene aromatic araminenone and four α-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 the α-methylene aromatic araminenone and aminoketones. The characteristic chemical shift of the olefinic protons in ¹H NMR is also discussed.
- α-Methylene aromatic araminenone and aminoketones,
- Spectrometric study
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