作者:George Majetich、Yang Li、Ge Zou
DOI:10.3987/com-07-s(u)36
日期:——
(+/-)-Komaroviquinone (1) was synthesized from 3,4,5-trimethoxybenzoic acid in twenty-two steps. The key transformations in this synthesis are: (1) the construction of the cycloheptane ring via a Friedel-Crafts cyclialkylation; (2) a regiospecific benzylic oxidation; (3) a conformationally controlled introduction of the C(10) hydroxyl group and (4) intramolecular hemi-acetal formation.
(±)-Komaroviquinone (1)由3,4,5-三甲氧基苯甲酸经过22步合成。此合成路线中的关键转变是:(1)通过Friedel-Crafts环状烷基化反应构造环庚烷环;(2)区域选择性苄基氧化反应;(3)构象控制的C(10)羟基引入;(4)分子内半缩醛的形成。