Sodium hydride → HCID 86591872, compound

In 4 ml of tetrahydrofuran was suspended 0.2 g of sodium hydride (60% in oil), to which 1 ml of a tetrahydrofuran solution containing 0.39 g of cis-1,2-cyclohexanediol was slowly added dropwise with stirring at room temperature. The mixture was stirred at room temperature for 10 minutes and then cooled to 0° C., to which 2 ml of a tetrahydrofuran solution containing 0.5 g of 4,6-dichloropyrimidine was slowly added dropwise, followed by further stirring at 0° C. for 30 minutes. The reaction mixture was then poured into a saturated aqueous ammonium chloride solution and extracted three times with ethyl acetate. The organic layers were combined, washed with brine, dried over anhydrous magnesium sulfate, and then concentrated. The residue was subjected to silica gel column chromatography to give 0.42 g of 4-chloro-6-(cis-2-hydroxycyclohexyloxy)pyrimidine.

1. additionwas slowly added dropwise
2. stirringThe mixture was stirred at room temperature for 10 minutes
3. additionwas slowly added dropwise
4. stirringby further stirring at 0° C. for 30 minutes
5. extractionextracted three times with ethyl acetate
6. washwashed with brine
7. dry with materialdried over anhydrous magnesium sulfate
8. concentrationconcentrated

ORD record

ord-98636e48e3504d69ac6400efa3c32464

Source dataset

uspto-grants-2005_01

DOI

10.6084/m9.figshare.5104873.v1

Patent number

US06838463B2