反应详情

To 1.464 g of NaCN (29.88 mmol), dissolved in 20 ml of DMSO, was slowly added via dropping funnel 4.12 g of the above prepared 4-chloromethyl-2-cyclohexyl-5-methyl-oxazole (19.28 mmol) at such a rate that the internal temperature stayed at 25–30°. Stirring was continued for additional 2 h at 35°. The reaction mixture was then poured onto crashed ice/AcOEt, the organic layer washed with water, dried over sodium sulfate, and evaporated to dryness. Flash chromatography (SiO2, hexane/AcOEt=8/2) gave 1.900 g of the title compound as colorless liquid.

1. additionwas slowly added
2. customstayed at 25–30°
3. additionThe reaction mixture was then poured
4. washthe organic layer washed with water
5. dry with materialdried over sodium sulfate
6. customevaporated to dryness