Facile Syntheses of 3′,4′-Methylenedioxy- 2″,2″-dimethylpyrano-[5″,6″:7,8]-flavoneand (±)-Ponganone III, Two Pyranoflavanoids
作者:Wenfei Tan、Wei-Dong Z. Li、Chusheng Huang、Yulin Li、Yacheng Xing
DOI:10.1080/00397919908085964
日期:1999.10
Abstract Facile syntheses of two naturally occurring pyranoflavanoids, 3′,4′-methylenedioxy-2″,2″-dimethylpyrano-[5″,6″:7,8]-flavone (1) and (±)-ponganone III (2), have been achieved through the key intermediate chromene 6 by a DDQ-induced oxidative cyclization.
摘要 两种天然吡喃黄酮类化合物 3',4'-亚甲二氧基-2",2"-二甲基吡喃-[5",6":7,8]-黄酮 (1) 和 (±)-ponganone III (2) 的简便合成),已通过 DDQ 诱导的氧化环化通过关键中间体色烯 6 实现。