methoxymethyl (1R,2R,4S,5S,7R,8R,9S,10R,11S,12S)-4,5,12-triacetyloxy-7-hydroxy-11-methyl-6-methylidene-16-oxo-15-oxapentacyclo[9.3.2.15,8.01,10.02,8]heptadec-13-ene-9-carboxylate 在
戴斯-马丁氧化剂 作用下,
以88%的产率得到methoxymethyl (1R,2R,4S,5S,8R,9S,10R,11S,12S)-4,5,12-triacetyloxy-11-methyl-6-methylidene-7,16-dioxo-15-oxapentacyclo[9.3.2.15,8.01,10.02,8]heptadec-13-ene-9-carboxylate