化工进展

• 生物与医药化工 • 上一篇    下一篇

含氮姜黄素类似物的合成及其酪氨酸酶抑制效应

韦星船,霍梦月,郑成,段彦飞,杨前程,蔡伟平   

  1. 广州大学化学化工学院,广东 广州 510006
  • 出版日期:2014-08-05 发布日期:2014-08-25

Synthesis and tyrosinase inhibitory effect of curcumin analogues containing nitrogen

WEI Xingchuan,HUO Mengyue,ZHENG Cheng,DUAN Yanfei,YANG Qiancheng,CAI Weiping   

  1. School of Chemistry and Chemical Engineering,Guangzhou University,Guangzhou 51006,Guangdong,China
  • Online:2014-08-05 Published:2014-08-25

摘要: 通过芳香醛与4-乙酰基吡啶在酸碱条件下催化缩合,合成了4个单羰基姜黄素类似物A1~A4,并研究了其对酪氨酸酶的抑制活性。结果表明,3-(4-羟基-3,5-二甲氧基苯基)-1-(4-吡啶基)-2-烯-1-酮对酪氨酸酶具有强抑制活性,半数抑制浓度(IC50)为45.1μmol/L,是姜黄素(IC50= 97.1μmol/L)的抑制活性的2.2倍。抑制动力学研究表明,3-(4-羟基-3,5-二甲氧基苯基)-1-(4-吡啶基)-2-烯-1-酮对酪氨酸酶的抑制作用类型属于竞争性抑制。

关键词: 姜黄素类似物, 合成, 酪氨酸酶抑制活性, 抑制动力学

Abstract: Four pyridyl asymmetrical curcumin analogues were synthesized by 4-acetyl pyridine and appropriate aromatic aldehyde with alkaline and acid catalytic condensation respectively. Their inhibition activity on tyrosinase was evaluated. The results indicate that 3-(4-hydroxyl- 3,5-dimethoxyphenyl)-1-(4-pyridyl)-2-en-propanone has the strongest inhibition on tyrosinase,semi inhibitor concentration is 45.1 μmol/L which is 2.2 times of curcumin (IC50 = 97.1 μmol/L). Study on inhibitive kinetics discovers that the inhibition on tyrosinase belong to competitive model.

Key words: curcumin analogues, synthesis, tyrosinase inhibitory activity, kinetic study