Compounds of the benzopyran series exhibit a broad spectrum of biological effects, including cardiovascular, membranotropic, psychotropic, immunostimulating, and antioxidant activity [I-6]. There were a few communications devoted to the antiviral and antimicrobial activity of benzopyran-2-one derivatives, but these data showed no prospects for this search [7, 8]. However, our investigations led to some new compounds of the ...
![4-methyl-7-[2-(4-methyl-2-oxochromen-7-yl)oxyethoxy]chromen-2-one结构式](https://image.chemsrc.com/caspic/091/66346-10-9.png)