Synthesis and Antioxidative Activity of 3′,4′,6,7-Tetrahydroxyaurone, a Metabolite of<i>Bidens frondosa</i>
作者:Somepalli VENKATESWARLU、Gopala K. PANCHAGNULA、Gottumukkala V. SUBBARAJU
DOI:10.1271/bbb.68.2183
日期:2004.1
3′,4′,6,7-Tetrahydroxyaurone (1a), an aurone isolated from Bidens frondosa, and five analogues (1b–1f) were synthesized from pyrogallol in three steps. The antioxidative activity of 1a–1f was determined by the superoxide free radical and 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical scavenging methods.
3′,4′,6,7-Tetrahydroxyaurone (1a)是一种从Bidens frondosa中分离出来的醛酮,它和五种类似物(1b-1f)是由焦棓醇经三个步骤合成的。通过超氧自由基和 1,1-二苯基-2-苦基肼(DPPH)自由基清除法测定了 1a-1f 的抗氧化活性。