CS(O[CH2:6][CH2:7][CH2:8][CH2:9][CH2:10][CH2:11][CH2:12][CH2:13][CH:14]1[CH2:22][C:21]2[C:16](=[C:17]([O:29][CH3:30])[C:18]([O:27][CH3:28])=[C:19]([O:25][CH3:26])[C:20]=2[O:23][CH3:24])[CH2:15]1)(=O)=O.[I-:31].[Na+].O>CC(C)=O>[I:31][CH2:6][CH2:7][CH2:8][CH2:9][CH2:10][CH2:11][CH2:12][CH2:13][CH:14]1[CH2:22][C:21]2[C:16](=[C:17]([O:29][CH3:30])[C:18]([O:27][CH3:28])=[C:19]([O:25][CH3:26])[C:20]=2[O:23][CH3:24])[CH2:15]1The mixture of 8-(4,5,6,7-tetramethoxyindan-2-yl)octyl methanesulfonate (2.36 g), sodium iodide (2.38 g) in acetone (20 ml) was heated under reflux for 3 hr. Water was added to the reaction mixture, which was then extracted with ethyl acetate. The organic layer was washed with 5% aqueous sodium sulfite, water, and saturated aqueous sodium chloride, and dried. The solvent was removed in vacuo to yield the entitled compound (2.44 g) as an oil.
불러오는 중…