Water → HCID 5252223、化合物

反応式

C[Si]([C:5]#[C:6][C:7]1[CH:12]=[C:11]([O:13][CH2:14][CH2:15][CH2:16][CH2:17][CH2:18][CH2:19][CH2:20][CH3:21])[C:10]([C:22]#[C:23][Si](C)(C)C)=[CH:9][C:8]=1[O:28][CH2:29][CH2:30][CH2:31][CH2:32][CH2:33][CH2:34][CH2:35][CH3:36])(C)C.[OH-].[Na+].O>C1COCC1.CO>[C:6]([C:7]1[CH:12]=[C:11]([O:13][CH2:14][CH2:15][CH2:16][CH2:17][CH2:18][CH2:19][CH2:20][CH3:21])[C:10]([C:22]#[CH:23])=[CH:9][C:8]=1[O:28][CH2:29][CH2:30][CH2:31][CH2:32][CH2:33][CH2:34][CH2:35][CH3:36])#[CH:5]

参加物

実験手順

1,4-Bis(trimethylsilylethynyl)-2,5-di-n-octyloxybenzene (2.331 g, 4.42×10−3 mol) was dissolved in a mixture of THF (25 ml) and MeOH (25 ml). 5N NaOH (2.0 ml, 1.0×10−2 mol) was added and the solution was stirred for 3 h under Ar. Water was added to the reaction mixture. The organic layer was extracted three times with CHCl3. The combined organic layers were dried over Na2SO4. The residue was chromatographed on silica gel with 1:1 hexane:CHCl3 as the eluent. Yield=1.419 g (84% based on 2.331 g of 1,4-bis(trimethylsilylethynyi)-2,5-di-n-octyloxybenzene). 1H NMR (300 MHz, CDCl3): δ 6.95 (s, 2H, Ph-H), 3.97 (t, 8H, J=6.6 Hz, —OCH2—), 3.33 (s, 2H, —CC—H), 1.80 (quint, 4H, J=7.0 Hz, —OCH2CH2—), 1.39-1.52 (m, 4H, —OCH2CH2CH2—), 1.15-1.39 (m, 16H, —CH2—), 0.88 (t, 6H, J=6.7 Hz, —CH3). CI MS m/z: 382.285 (M+) (calcd 382.287).