作者:Jin Hui Yang、Yu Heng Zhang、Hong Jun Li、Shi Zhi Jiang、Yun Feng Li
DOI:10.1016/j.cclet.2010.06.037
日期:2010.11
Abstract A facile approach for the first total synthesis of two naturally occurring geranylated flavonoids, (±)-puyanin 1 and (±)-4′- O -methylbonannione 2 has been obtained with total yield 27% and 21%, respectively. The key steps were regioselective cyclization of geranylated trihydroxychalcone and regioselective geranylation of 2,4,6-trihydroxyacetophenone.
摘要已经获得了一种简便的方法,用于首次完全合成两个天然存在的geranylated黄酮类化合物,(±)-嘌呤苷1和(±)-4'-O-甲基bonannione 2,总收率分别为27%和21%。关键步骤是香叶基化的三羟基查尔酮的区域选择性环化和2,4,6-三羟基苯乙酮的区域性选择性香叶基化。