Dimethylformamide → HCID 20489616, compound

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Reaction Steps

3.5 g of 1,2,4-triazole potassium salt in 100 ml of absolute dimethylformamide are heated to 100°. To the hot solution are added dropwise 9 g of 2-tert-butyl-2-bromomethyl-4-(2,4-dichlorophenoxy)-methyl-1,3-dioxolane dissolved in 50 ml of absolute dimethylformamide. The reaction mixture is subsequently stirred for 24 hours at 130°; the solvent is then removed in vacuo and the residue is extracted with diethyl ether; the ether phase is washed with water and dried over sodium sulfate. The yield after concentration by evaporation is 7 g of a viscous oil which, after the addition of n-hexane, crystallises to give the cis isomer, m.p. 113°-114°. The trans isomer, m.p. 73°-74°, can be obtained from the mother liquor.

Provenance & Evidence