Supported by the National Natural Science Foundation of China(No.90813003).
In this study, we synthesized a series of 3-triazolo-coumarins and evaluated their antioxidant activities respectively by two methods: trapping 2,2'-azinobis(3-ethylbenzothiazoline-6-sulfonate) cationic radical(A...
Supported by the National Natural Science Foundation of China(No.30770447 and 90813003)
Betulinic acid and its derivatives have been extensively studied in the past for their anti-tumor effects, but relatively little is known about its precursor betulin. In this study we showed that betulin, an abundant ...