Methanol → HCID 66660824, 화합물

온도

85 °C

A mixture of 2-(4-methylthiazol-5-yl)ethyl 4-methylbenzenesulfonate (3.23 g, 10.9 mmol), 2-amino-5-methylthiazole (1.25 g, 10.9 mmol) and tetrabutyl ammonium iodide (2 g, 5.4 mmol) in N,N-dimethylformamide (2 mL) was warmed to 85° C. and was stirred for 18 h. The mixture was cooled to ambient temperature, was diluted with CH2Cl2 (10 mL) and was quenched with 10% NaOH (5 mL). The layers were separated and the aqueous layer was extracted with CH2Cl2 (3×5 mL). The combined organics were dried over anhydrous Na2SO4, filtered, concentrated under reduced pressure and purified via column chromatography (SiO2, 10% methanol in ethyl acetate then 9:1:0.1 CH2Cl2:methanol:ammonium hydroxide) to give the title compound (1.34 g, 5.6 mmol, 51% yield). MS (DCI/NH3) m/z 240 (M+H)+.

1. temperatureThe mixture was cooled to ambient temperature
2. customwas quenched with 10% NaOH (5 mL)
3. customThe layers were separated
4. extractionthe aqueous layer was extracted with CH2Cl2 (3×5 mL)
5. dry with materialThe combined organics were dried over anhydrous Na2SO4
6. filtrationfiltered
7. concentrationconcentrated under reduced pressure
8. custompurified via column chromatography (SiO2, 10% methanol in ethyl acetate

ORD 기록

ord-e8aa9f6d82724d56a8f254798b361d51

출처 데이터셋

uspto-grants-2011_11

DOI

10.6084/m9.figshare.5104873.v1

특허 번호

US08058293B2