2-Butyn-1-ol → HCID 17979088, compound

Participants

Reaction Steps

In 6 ml of tetrahydrofuran was suspended 0.15 g of sodium hydride (60% in oil), to which 0.4 ml of a solution containing 0.45 g of 3,3-dichloro-2-butanol was added dropwise at 0° C., followed by stirring for 10 minutes. To this was added dropwise 0.4 ml of a solution containing 0.47 g of 4,6-dichloropyrimidine in tetrahydrofuran, followed by stirring at the same temperature for 4 hours. To this was added dropwise 0.4 ml of a solution containing 0.17 g of 2-butyn-1-ol at room temperature and further added 0.19 g of sodium hydride (60% in oil), followed by stirring for 2 hours. The reaction mixture was then poured into a saturated aqueous ammonium chloride solution, which was extracted three times with t-butyl methyl ether. The combined organic layers were washed with a saturated aqueous sodium chloride solution, dried over anhydrous magnesium sulfate, and then concentrated. The residue was subjected to silica gel column chromatography to give 0.39 g of 4-(2-butynyloxy)-6-(2,2-dichloro-1-methylpropyloxy)pyrimidine (the present compound (36)).

Provenance & Evidence