Triacetoxyperiodinane → 7a-Methyl-4-[5-(2-methyl-[1,3]dioxolan-2-yl)-2-oxo-pentyloxy]-hexahydro-indene-1,5-dione
反応式
CC(OI1(OC(C)=O)(OC(C)=O)OC(=O)C2C=CC=CC1=2)=O.[OH:23][CH:24]([CH2:39][CH2:40][CH2:41][C:42]1([CH3:47])[O:46][CH2:45][CH2:44][O:43]1)[CH2:25][O:26][CH:27]1[C:35](=[O:36])[CH2:34][CH2:33][C:32]2([CH3:37])[CH:28]1[CH2:29][CH2:30][C:31]2=[O:38]>ClCCl>[CH3:37][C:32]12[C:31](=[O:38])[CH2:30][CH2:29][CH:28]1[CH:27]([O:26][CH2:25][C:24](=[O:23])[CH2:39][CH2:40][CH2:41][C:42]1([CH3:47])[O:43][CH2:44][CH2:45][O:46]1)[C:35](=[O:36])[CH2:34][CH2:33]2参加物
4
実験手順
Dess-Martin periodinane (10.28 g, 24.24 mmol) was added to a solution of the 4-[2-hydroxy-5-(2-methyl-[1,3]dioxolan-2-yl)-pentyloxy]-7a-methyl-hexahydro-indene-1,5-dione (7.8 g, 22.03 mmol) in dichloromethane (100 mL) at room temperature. The reaction mixture was then stirred at room temperature for 14 h. The reaction was quenched with saturated potassium bicarbonate solution (20 mL). The aqueous solution was extracted with dichloromethane (2×100 mL) and the combined organic layer was dried with magnesium sulfate. The resulting solution was filtered, concentrated and the resulting residue purified by flash chromatography using 30% ethyl acetate in hexane to yield the title compound as an oil.