methyl (1R,3R,7R,10R,11R,14S,21R,26S,27S,28R,29R,30R)-21-[(2S,3R)-4-amino-2,3-dimethylbutyl]-11,29-dihydroxy-11,30-dimethyl-16-methylidene-20-oxo-32,33,34,35,36-pentaoxaheptacyclo[25.4.1.11,28.13,7.17,10.110,14.021,26]hexatriacont-24-ene-24-carboxylate 在
N,N-diethylethanamine;2,4,6-trimethylbenzoic acid 作用下,
以
甲苯 为溶剂,
反应 60.0h,
以7.8 mg的产率得到pinnatoxin A methyl ester