[CH:1]([O:4][C:5]1[CH:10]=[CH:9][CH:8]=[CH:7][C:6]=1Br)([CH3:3])[CH3:2].BrC1C=CC=[C:15]([O:19]C(C)C)C=1>>[CH:1]([O:4][C:5]1[CH:10]=[CH:9][CH:8]=[CH:7][C:6]=1[CH:15]=[O:19])([CH3:3])[CH3:2]The title compound was prepared as in Example 257A but employing 2-iso-propyloxybromobenzene in lieu of 1-bromo-3-isopropoxybenzene. Purification on silica, gel with 10% ether/hexane afforded the title compound (2.3 g, 70%).
読み込み中…