Cryptophycin 、
potassium carbonate 以
丙酮 为溶剂,
反应 24.0h,
以to give Cryptophycin 39 (3.2 mg)的产率得到(3S,6R,10R,13E,16S)-10-[(3-chloro-4-methoxyphenyl)methyl]-6-methyl-3-(2-methylpropyl)-16-[(1S)-1-[(2R,3S)-3-phenyloxiran-2-yl]ethyl]-1,4-dioxa-8,11-diazacyclohexadec-13-ene-2,5,9,12-tetrone