Methyl iodide → 4-Methylheptane-3,5-dione

Beteiligte Stoffe

Reaktionsschritte

To 0.02 mol sodium hydride was added 100 ml anhydrous tetrahydrofuran, slowly added dropwise 0.02 mol 3,5-heptandione at room temperature. Upon completion, the mixture was stirred for 0.5 hours, then 0.04 mol iodomethane was slowly added dropwise. After stirred at room temperature for 10 hours, 20 ml water was added. White solid was precipitated. The solid was filtered, washed with water, and dried to give 4-methyl-3,5-heptandione as a white solid, and the yield was 94%. m.p. was 91-92° C.

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