[C:1]1([CH:14]=[CH:13][CH:12]=[CH:11]N=1)[S:2][S:3][C:4]1[CH:9]=[CH:8][CH:7]=[CH:6][N:5]=1.SCCCCC[CH2:21][CH2:22][CH2:23][CH2:24][CH2:25][CH2:26][O:27][CH2:28][CH2:29][O:30][CH2:31][CH2:32][O:33][CH2:34][CH2:35][OH:36]>CO>[N:5]1[CH:6]=[CH:7][CH:8]=[CH:9][C:4]=1[S:3][S:2][CH2:1][CH2:14][CH2:13][CH2:12][CH2:11][CH2:21][CH2:22][CH2:23][CH2:24][CH2:25][CH2:26][O:27][CH2:28][CH2:29][O:30][CH2:31][CH2:32][O:33][CH2:34][CH2:35][OH:36]Aldrithiol-2 (1.45 g, 6.59 mmol) was added to a solution of 2-{2-[2-(11-mercapto-undecyloxy)-ethoxy]-ethoxy}-ethanol (1.85 g, 5.49 mmol) in 30 mL of MeOH. After stirring the solution for 42 h at room temperature, the solvent was evaporated, and the residue was purified by flash chromatography (EtOAc) to afford compound S 1.97 g (81%).
読み込み中…