Pharmacy Group, Birla Institute of Technology and Science, Pilani-333031, Rajasthan, India
*Corresponding Author E-mail: hemantrj@gmail.com
Online published on 13 March, 2013.
Novel series of substituted 2-[3-(2,6-halophenyl)-5-methyl-isoxazolyl]-chromen-4-ones were synthesized by microwave irradiation method. The antioxidant activity of the synthesized compounds 5a-j was evaluated using free radical scavenging method (DPPH method) and reducing power assay. The antioxidant activity of synthesized chromenones with respect to the standard used, ascorbic acid is reported here.
Coumarines, isoxazoles, antioxidants, free radical