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ChemicalBook CAS DataBase List 1-(4-METHYL-2-(METHYLAMINO)THIAZOL-5-YL)ETHANONE

1-(4-METHYL-2-(METHYLAMINO)THIAZOL-5-YL)ETHANONE synthesis

1synthesis methods
-

Yield:94284-66-9 98%

Reaction Conditions:

with pyridine at 20; for 4 h;

Steps:

12 1-[4-Methyl-2-(methylamino)thiazol-5-yl]ethanone

Add N-methylthiourea (1.00g, 11.09mmol), 3-chloro-2,4-pentanedione (1.32mL, 11.09mmol) and pyridine (1.07mL, 13.31mmol) in a 100mL eggplant-shaped flask, methanol 30mL was dissolved, stirred at room temperature for 4h, TLC detected the raw material point disappeared, the excess solvent was evaporated under reduced pressure,50mLsaturated NaHCO3solution wasadded, a white precipitate was precipitated, and a white solid 1.86g was obtained by suction filtration with a yield of 98%;

References:

CN112010844,2020,A Location in patent:Paragraph 0297; 0300-0302

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