nodusmicin 9,11,18-per(tetrahydropyranyl ether) 在
氢氧化钾 作用下,
以
甲醇 、
水 为溶剂,
反应 20.0h,
以88%的产率得到(S)-3-[(1R,3S,4S,7R,8S,9R,10R,11R)-3-[(E)-(3R,4S,5R)-4-Hydroxy-1,3-dimethyl-5-(tetrahydro-pyran-2-yloxy)-hex-1-enyl]-10-methyl-9,11-bis-(tetrahydro-pyran-2-yloxy)-2-oxa-tricyclo[5.4.0.0
3,8]undec-5-en-4-yl]-2-methoxy-propionic acid