Citation:
CAO Sheng-Li, FENG Yu-Ping, ZHANG Mei, JIANG Yu-Yang, YU Xiao-Qing, MO Zhuo-Hua. Synthesis and Evaluation of 4(3H)-Quinazolinone Derivatives Bearing Aromatic Amine Side Chains as Antitumor Agents[J]. Chinese Journal of Applied Chemistry,
;2007, 24(2): 162-167.
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Based on the structural feature of nonclassical antifolates,a series of 4(3H)-quinazolinone deriva-tives bearing aromatic amine side chains have been designed by incorporating trimethoxyphenyl,an antitumor pharmacophore,with 4(3H)-quinazolinone.N-alkylation of 3,4,5-trimethoxyphenylamine with appropriate a-mount of alkyl halides afforded 4 kinds of N-substituted 3,4,5-trimethoxyphenylamines in 30.3%~60.6% yields.The target compounds 8a~8m were obtained through the reactions of 6-bromo-2-methyl-4(3H)-quin-azolinone with 3,4,5-trimethoxyphenylamine,N-substituted 3,4,5-trimethoxyphenylamines or other aryl-amines at room temperature in 30.8%~71.9% yields,and their structures were confirmed by means of ESI-MS,1H NMR,elemental analysis or HRMS.The in vitro cytotoxicities against A-549(human non-small cell lung cancer),HCT-8(human colon cancer) and Bel-7402(human liver cancer) cell lines of the synthesized compounds 8a~8m were tested with colorimetric MTT assay,and the results indicated that the percent growth inhibition against A-549,HCT-8 and Bel-7402 cell lines at 5×10-6g/mL concentration of the compounds 8a~8m were all lower than 25%.
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