tert-Butyl-{(3aR,4R,7aR)-2,2-dimethyl-6-[2-((3aR,5R,5aS,8aS,8bR)-2,2,7,7-tetramethyl-tetrahydro-bis[1,3]dioxolo[4,5-b;4',5'-d]pyran-5-yl)-ethyl]-3a,7a-dihydro-4H-[1,3]dioxolo[4,5-c]pyran-4-ylmethoxy}-diphenyl-silane 在
sodium peroxide 、 dimethyl sulfide borane 作用下,
生成 (3aS,4R,6S,7S,7aR)-4-[[tert-butyl(diphenyl)silyl]oxymethyl]-2,2-dimethyl-6-[2-[(1S,2R,6R,8R,9S)-4,4,11,11-tetramethyl-3,5,7,10,12-pentaoxatricyclo[7.3.0.02,6]dodecan-8-yl]ethyl]-4,6,7,7a-tetrahydro-3aH-[1,3]dioxolo[4,5-c]pyran-7-ol