Hexane → Lithium, 1H-inden-1-yl-

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Reaction Steps

A 100 mL Schlenk flask is charged with diethyl ether, 50 mL, and n-butyllithium, 5.5 mL of a 2.78M solution is hexane (16 mmoles), while stirring magnetically and maintaining the temperature at or below -20° C. in a dry ice/acetone bath. Nitrogen degassed indene, 2.0 mL (16.8 mmole), is added to the chilled, stirred solution. The mixture is warmed to room temperature and stirred approximately 15 hours followed by refluxing for 1 hour. The reaction is assumed to be stoichiometric and complete based on titration data obtained from previous preparations of lithium indenide.

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