berberinium salts was readily achieved by photoaddition of methanol. The resulting photoproducts were isolated as tetrahydroprotoberberine derivatives. By combining this photochemical reaction with the oxidation of the photoproduct, the synthesis of (±)-solidaline starting from palmatine chloride was accomplished for the first time.
通过
甲醇的光加成很容易地在小salts盐的C-8位上引入羟甲基。分离得到的光产物为四氢小ber碱衍
生物。通过将该光
化学反应与光产物的氧化相结合,首次完成了从
氯化棕榈酰开始的(±)-
固醇的合成。