2,2-dimethylpropionic acid 3-acetoxy-6-hydroxy-7a-methyl-5-oxo-octahydro-inden-1-yl ester 在
乙酸铵 作用下,
以
甲醇 为溶剂,
反应 3.0h,
以14.1%的产率得到1,7-bis(2,2-dimethyl-propionate),3,9-bis(ethanoate),6a,12a-dimethyl-1,2,3,3a,4,6,6a,7,8,9,9a,10,12,12a-tetradecahydro-5,11-diaza-dicyclopenta[b,i]anthracene