Glycidol → 6-(2-Oxiranylmethoxy)[1,2,4]triazolo[4,3-b]pyridazine

Beteiligte Stoffe

Reaktionsschritte

12.0 g of 2-oxiranylmethanol and 2.50 g of 6-chloro[1,2,4]triazolo[4,3-b]pyridazine were dissolved in 40 ml of N,N-dimethylformamide; under ice cooling, 713 mg of 60% oily sodium hydride was added, followed by stirring at room temperature for 30 minutes. After cold saline was added, the reaction mixture was extracted with ethyl acetate-tetrahydrofuran (1:1) and dried over magnesium sulfate. After concentration under reduced pressure, the residue was subjected to silica gel column chromatography and eluted with ethyl acetate-methanol (10:1). The desired fraction was collected and concentrated under reduced pressure; the precipitated crystal was washed with diethyl ether and dried to yield 1.02 g of the title compound.

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