在
戴斯-马丁氧化剂 作用下,
以
二氯甲烷 为溶剂,
以95%的产率得到(2R,3R,4S)-3-methoxy-2-methyl-4-[(3R,5E,7E,11S,12S,13E,15R,17S,18S,19E,21S,23S,24R,25R)-3,15,17,21,23-pentamethoxy-5,12,18,24-tetramethyl-9,27-dioxo-10,26-dioxabicyclo[23.3.1]nonacosa-1(28),5,7,13,19-pentaen-11-yl]pentanal