(R)-6-[(1E,3Z,7E,9E)-(5R,11R,12R,13S)-12-(tert-Butyl-dimethyl-silanyloxy)-3-ethyl-5,9,11,13-tetramethyl-pentadeca-1,3,7,9-tetraenyl]-5,6-dihydro-pyran-2-one 在
氟化氢吡啶 作用下,
以
四氢呋喃 为溶剂,
反应 48.0h,
以94%的产率得到(R)-6-((1E,3Z,7E,9E)-(5R,11R,12R,13S)-3-Ethyl-12-hydroxy-5,9,11,13-tetramethyl-pentadeca-1,3,7,9-tetraenyl)-5,6-dihydro-pyran-2-one