A tandem synthesis of 3-aroylcoumarinoflavones catalyzed by L-proline and their antioxidant activity

被引:2
|
作者
Thirupathi, G. [1 ]
Goud, E. Yadaiah [1 ]
Hemasri, Y. [3 ]
Ali, MD. Suban [4 ]
Rao, Y. Jayaprakash [1 ,2 ]
机构
[1] Osmania Univ, Dept Chem, Hyderabad 500007, Andhra Pradesh, India
[2] Telangana Univ, Dept Chem, Nizamabad 503322, India
[3] Osmania Univ, Dept Chem, Nizam Coll, Hyderabad 500001, Andhra Pradesh, India
[4] Sri Venkateswara Univ, Dept Biochem, Tirupati 517502, Andhra Pradesh, India
关键词
7-Hydroxyflavones; Duff reaction; Knoevenagel condensation; Antioxidant activity; IN-VITRO; CONDENSATION; FLAVONOIDS; CHEMISTRY; COUMARINS; KETONES;
D O I
10.1007/s13738-016-0995-7
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A facile, convenient, efficient and high-yielding synthesis of 3-aroylcoumarinoflavones has been developed by the condensation of easily synthesized 7-hydroxy-8-formylflavones and benzoyl acetonitriles in the presence of catalytic amount of l-proline in ethanol reflux. All the synthesized compounds were evaluated for their antioxidant activity. Some of the compounds showed very good activity compared to standard BHT.
引用
收藏
页码:477 / 483
页数:7
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