N-(3-Hydroxy-2,2,6,7-tetramethyl-3-(2-phenylethyl)-2,3-dihydro-1-benzofuran-5-yl)-3,3-dimethylbutanamide → N-(2,2,6,7-Tetramethyl-3-(2-phenylethyl)-2,3-dihydro-1-benzofuran-5-yl)-3,3-dimethylbutanamide
反応式
O[C:2]1([CH2:23][CH2:24][C:25]2[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=2)[C:6]2[CH:7]=[C:8]([NH:13][C:14](=[O:20])[CH2:15][C:16]([CH3:19])([CH3:18])[CH3:17])[C:9]([CH3:12])=[C:10]([CH3:11])[C:5]=2[O:4][C:3]1([CH3:22])[CH3:21]>C(OCC)(=O)C.CCCCCC>[CH3:21][C:3]1([CH3:22])[CH:2]([CH2:23][CH2:24][C:25]2[CH:30]=[CH:29][CH:28]=[CH:27][CH:26]=2)[C:6]2[CH:7]=[C:8]([NH:13][C:14](=[O:20])[CH2:15][C:16]([CH3:19])([CH3:18])[CH3:17])[C:9]([CH3:12])=[C:10]([CH3:11])[C:5]=2[O:4]1参加物
3
実験手順
Using N-(3-hydroxy-2,2,6,7-tetramethyl-3-(2-phenylethyl)-2,3-dihydro-1-benzofuran-5-yl)-3,3-dimethylbutanamide obtained in Example 240, the title compound was synthesized in the same manner as in Example 271. Yield: 92%. Melting point: 158-159° C. (ethyl acetate-hexane).