齐墩果酸 在
potassium carbonate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 14.0h,
生成
3β-hydroxyoleanane-12-en-28-oic acid[(uracil-1)ethyl] ester 、 2-[3-[2-[(4aS,6aR,6aS,6bR,8aR,10S,12aR,14bS)-10-hydroxy-2,2,6a,6b,9,9,12a-heptamethyl-1,3,4,5,6,6a,7,8,8a,10,11,12,13,14b-tetradecahydropicene-4a-carbonyl]oxyethyl]-2,4-dioxopyrimidin-1-yl]ethyl (4aS,6aR,6aS,6bR,8aR,10S,12aR,14bS)-10-hydroxy-2,2,6a,6b,9,9,12a-heptamethyl-1,3,4,5,6,6a,7,8,8a,10,11,12,13,14b-tetradecahydropicene-4a-carboxylate