Chemistry of Heterocyclic Compounds p. 1135 - 1137 (2008)
Update date:2022-08-05
Topics:
Antipin
Beloglazkina
Magouga
Chernysheva
Zyk
It has been shown that bromination of 5-aryl-5-benzylidene-3,5-dihydro-4H- 2-methylthioimidazol-4-one in methylene chloride at room temperature leads to the addition of bromine at the double bond, but the the reaction of 5-aryl-3,5-dihydro-4H-2-methylthio-5-(2-pyridylmethylene)imidazol-4-one gave complex compound of the starting materials. After boiling both of the compounds obtained in ethanol the corresponding 5-[bromo(aryl)methylene]imidazolidine-2,4- diones were obtained.
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