[CH3:1][O:2][C:3]1[C:11]2[C:6](=[CH:7][CH:8]=[CH:9][CH:10]=2)[CH2:5][CH:4]=1.[Li:12]CCCC>CCCCCC>[CH3:1][O:2][C:3]1[C:11]2[C:6](=[CH:7][CH:8]=[CH:9][CH:10]=2)[CH:5]([Li:12])[CH:4]=13-Methoxy-1H-indene (9.65 g, 66.04 mmol) was dissolved in 150 mL of hexane. To this solution 50 mL of a 1.6 M solution of n-BuLi was added (80 mmol) within 10 minutes After 20 hours of stirring the off-white solid was collected on a medium-size frit, washed with hexane (3×30 mL) and dried under reduced pressure to give 9.72 g of product. Yield 97 percent.
Wird geladen…