(6S,9S,11E,15R)-9-[(2R,3R,4S)-4-chloro-3-hydroxy-4-phenylbutan-2-yl]-15-[(3-chloro-4-methoxyphenyl)methyl]-6-(2-methylpropyl)-5,8-dioxa-14,17-diazaspiro[2.15]octadec-11-ene-4,7,13,16-tetrone 在
potassium carbonate 作用下,
以
乙腈 为溶剂,
生成 (6S,9S,11E,15R)-15-[(3-chloro-4-methoxyphenyl)methyl]-6-(2-methylpropyl)-9-[(1S)-1-[(2R,3R)-3-phenyloxiran-2-yl]ethyl]-5,8-dioxa-14,17-diazaspiro[2.15]octadec-11-ene-4,7,13,16-tetrone