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ChemicalBook CAS DataBase List 3-MALEIMIDOBENZOIC ACID CHLORIDE

3-MALEIMIDOBENZOIC ACID CHLORIDE synthesis

2synthesis methods
-

Yield:61960-57-4 82%

Reaction Conditions:

with thionyl chloride;N,N-dimethyl-formamide in benzene; for 2 h;Reflux;

Steps:

4-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)benzoylchloride (2a)

General procedure: A mixture of 8.68 g (0.04 mol) of acid 1a, 9.52 g (0.08 mol) of thionyl chloride, 5 drops ofDMF, and 150 mL of benzene was heated for 2 h underreflux. The slightly turbid solution was filtered whilehot through a folded filter paper, and the light yellow filtrate was evaporated under reduced pressure (waterjetpump) on heating on a water bath. Yield 8.03 g(85%)

References:

Kolyamshin;Kuz'min;Ignat'ev;Rogozhina;Kol'tsov [Russian Journal of Organic Chemistry,2015,vol. 51,# 6,art. no. 1070,p. 901 - 902][Zh. Org. Khim.,2015,vol. 51,# 6,p. 917 - 918,2]