(E)-3-(3-Bromo-1,4-naphthoquinon-2-yl)-2-methylpropenoic Acid → (E)-3-(3-Fluoro-1,4-naphthoquinon-2-yl)-2-methylpropenoic Acid
反応式
C[O:2][C:3]1[C:12]2[C:7](=[CH:8][CH:9]=[CH:10][CH:11]=2)[C:6]([O:13]C)=[C:5]([F:15])[C:4]=1/[CH:16]=[C:17](\[CH3:21])/[C:18]([OH:20])=[O:19].BrC1C(=O)C2C(=CC=CC=2)C(=O)C=1/C=C(\C)/C(O)=O>CC(C)=O>[F:15][C:5]1[C:6](=[O:13])[C:7]2[C:12](=[CH:11][CH:10]=[CH:9][CH:8]=2)[C:3](=[O:2])[C:4]=1/[CH:16]=[C:17](\[CH3:21])/[C:18]([OH:20])=[O:19]参加物
4
実験手順
Compound 52 was prepared from 99d (0.097 g, 0.33 mmol) as described above for 39a to give 0.020 g (0.08 mmol, 23%) of the product as a yellow solid following flash chromatography (3:17 acetone:hexanes 0.5% AcOH) and recrystallization from Et2O/hexanes. (0.020 g E; 0.015 g E starting material; 0.023 g Z methyl ester)