、 4-[(4S,5S,6S)-4,5-Bis-(tert-butyl-dimethyl-silanyloxy)-6-methyl-5,6-dihydro-4H-pyran-2-yl]-4-hydroxy-cyclohexa-2,5-dienone 以
四氢呋喃 为溶剂,
以65%的产率得到1,4-Bis-[(4S,5S,6S)-4,5-bis-(tert-butyl-dimethyl-silanyloxy)-6-methyl-5,6-dihydro-4H-pyran-2-yl]-cyclohexa-2,5-diene-1,4-diol