By the treatment of Δ6-6-hydroxy-5βH-dehydroabietic acid (18–6)-lactone with potassium hydrogensulfate or conc. sulfuric acid, the B ring aromatization and the C1–C10 bond cleavage occurred to give 1,10-secoabietane derivatives possessing coleon A skeleton.
通过将Δ6-6-羟基-5βH-去氢阿比特酸(18–6)-内酯与氢
硫酸钾或浓
硫酸处理,B环芳香化和C1–C10键裂解发生,以产生具有coleon A骨架的1,10-去阿比烯衍
生物。