反应详情

(S)-Methyl 3-(6-(3-(1,4-dioxaspiro[4.5]decan-2-yl)-1,2,4-thiadiazol-5-ylamino)-5-(2-methylpyridin-3-yloxy)pyridin-3-ylthio)propanoate (105 mg, 0.19 mmol) was dissolved in THF (5 ml) and KOtBu (65 mg, 0.58 mmol) was added. The mixture was agitated for 30 minutes and 1-bromo-3-methoxypropane (37 mg, 0.24 mmol) was added. The mixture was agitated for 1 hour, diluted with ethyl acetate, washed with sodium bicarbonate solution and brine, dried over sodium sulfate, filtered and evaporated. The residue was purified over silica gel (60-75% ethyl acetate/hexanes) to afford (S)-N-(5-(3-methoxypropylthio)-3-(2-methylpyridin-3-yloxy)pyridin-2-yl)-3-(1,4-dioxaspiro[4.5]decan-2-yl)-1,2,4-thiadiazol-5-amine (85 mg, 83% yield) as glassy colorless solid.

1. stirringThe mixture was agitated for 1 hour
2. washwashed with sodium bicarbonate solution and brine
3. dry with materialdried over sodium sulfate
4. filtrationfiltered
5. customevaporated
6. customThe residue was purified over silica gel (60-75% ethyl acetate/hexanes)