Water → 5-(3-phthalimidopropyl)-5H-dibenzo[a,d]cycloheptene

Beteiligte Stoffe

Reaktionsschritte

5-(3-Iodopropyl)-5H-dibenzo[a,d]cycloheptene, 1.8 g. (0.005 mole), is dissolved in 10 ml. of dimethylformamide. The solution is stirred while 930 mg. (0.0051 mole) of potassium phthalimide is added. When the addition is complete, the mixture is heated to 85°-90°C. for 40 minutes, then cooled, diluted with chloroform and poured into water. The chloroform layer is separated and the aqueous layer extracted further with chloroform. Evaporation of the chloroform gives the product as an oily crystalline solid. Several recrystallizations from isopropyl alcohol gave product, m.p. 125.5°-131.5°C.

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