4-(3,5-Dimethylphenyl)-2-isopropylindene → Lithium 4-(3,5-dimethylphenyl)-2-isopropylindenide

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Reaction Steps

4-(3,5-Dimethylphenyl)-2-isopropylindene (5.5 g, 21 mmol) was dissolved in 80 mL of pentane. To this solution was added 8.3 mL of n-BuLi (2.5M in hexane) and the reaction was allowed to stir 4 hours at room temperature. A white solid precipitates from solution and was collected by frit filtration and washed with additional pentane. Yield was 3.28 g (60%).

Provenance & Evidence