在
氟化氢吡啶 作用下,
以
四氢呋喃 为溶剂,
反应 22.0h,
以64%的产率得到(3R,4E,6S,8R,9Z,12S,20R,21E,23S,25R,26Z,29S)-12,29-bis[(E,3S)-3-hydroxy-2-methylhex-4-en-2-yl]-3,20-dimethoxy-13,17,30,34-tetraoxa-35,36-diazapentacyclo[30.2.1.115,18.06,8.023,25]hexatriaconta-1(35),4,9,15,18(36),21,26,32-octaene-14,31-dione