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ChemicalBook CAS DataBase List 2-BROMO-3-METHYL-3H-IMIDAZOLE-4-CARBOXYLIC ACID METHYL ESTER
120781-02-4

2-BROMO-3-METHYL-3H-IMIDAZOLE-4-CARBOXYLIC ACID METHYL ESTER synthesis

5synthesis methods
-

Yield:120781-02-4 201 mg

Reaction Conditions:

with N-Bromosuccinimide in tetrachloromethane at 90;

Steps:

18.1 (Step 1)
Methyl 2-bromo-1-methyl-1H-imidazole-5-carboxylate


To a solution of methyl 1-methyl-1H-imidazole-5-carboxylate (302 mg) in carbon tetrachloride (5 mL), NBS (460 mg) and 2,2'-azobis(2-methylpropionitrile) (39.2 mg) were added, and the mixture was stirred at 90°C for 4.5 hours.
The reaction mixture was concentrated under reduced pressure, and the obtained residue was purified by column chromatography (hexane:ethyl acetate) to obtain the title compound (201 mg).

References:

EP4067343,2022,A1 Location in patent:Paragraph 0281

2-BROMO-3-METHYL-3H-IMIDAZOLE-4-CARBOXYLIC ACID METHYL ESTER Related Search:

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