In an effort to develop potent antiinflammatory agents, a series of substituted chalcone derivatives was synthesized and evaluated for antiinflammatoryactivity through monitoring of their ability to inhibit xylene-induced ear edema in mice. Some of the tested compounds exhibited significant activity, and compounds 3f [(E)-1-(2,4-dihydroxyphenyl)-3-(4-dimethylamino)phenyl)prop-2-en-1-one] and 3h [
Matsuoka et al., Nippon Kagaku Zasshi, 1957, vol. 78, p. 647
作者:Matsuoka et al.
DOI:——
日期:——
Fast and efficient synthesis of flavanones from cinnamic acids
作者:Kibrom Gebreheiwot Bedane、Runner R. T. Majinda、Ishmael B. Masesane
DOI:10.1080/00397911.2016.1228110
日期:2016.11.16
ABSTRACT A fast and efficient synthesis of flavanonesfrom cinnamic acids in three steps has been developed. First, the cinnamic acid was converted to cinnamyol chlorides using SOCl2. The acid chlorides were then treated with substituted phenols in BF3 · OEt2 to furnish corresponding chalcones in 42(75% yields. Base-catalyzed cyclization of the chalcones at room temperature afforded corresponding flavones