Br[C:2]1[CH:7]=[CH:6][C:5]([C:8]2[O:12][C:11]([CH3:13])=[CH:10][CH:9]=2)=[CH:4][C:3]=1[CH3:14].B([C:18]1[CH:26]=[CH:25][C:21]([C:22]([OH:24])=[O:23])=[CH:20][CH:19]=1)(O)O>>[CH3:14][C:3]1[CH:4]=[C:5]([C:8]2[O:12][C:11]([CH3:13])=[CH:10][CH:9]=2)[CH:6]=[CH:7][C:2]=1[C:18]1[CH:26]=[CH:25][C:21]([C:22]([OH:24])=[O:23])=[CH:20][CH:19]=15-(4-Bromo-3-methylphenyl)-2-methylfuran (D118) (600 mg, 2.39 mmol) and 4-boronobenzoic acid (397 mg, 2.39 mmol) were converted to the title compound using a method similar to that of Description 11, as a pale yellow solid (207 mg, 30%).
読み込み中…