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ChemicalBook CAS DataBase List 2-ACETAMIDO-4-(CHLOROMETHYL)THIAZOLE
7460-59-5

2-ACETAMIDO-4-(CHLOROMETHYL)THIAZOLE synthesis

5synthesis methods
-

Yield:7460-59-5 71%

Reaction Conditions:

in acetone; for 5 h;Heating / reflux;

Steps:

52-1

A solution of 50 g (0.42 mol) acetyl thiourea and 108.5 g 1,3-dichloro-propan-2-one (0.84 mol) in 500 ml acetone is heated to reflux for 5 hours. All volatiles were removed in vacuo and the residue was taken up in 200 ml acetone. After addition of 600 ml of water the precipitate was collected, washed with 250 ml n-heptane and dried in vacuo at 40° C. Yield: 56.9 g (71%) white solid. 1H-NMR (400 MHz, D6-DMSO): δ=2.13 (s, 3H); 4.71 (s, 2H); 7.22 (s, 1H); 12.21 (s, 1H)

References:

US2006/116407,2006,A1 Location in patent:Page/Page column 22

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