O. Shablykin, V. M. Prokopenko, V. Brovarets
Aug 6, 2016
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Journal
Chemistry of Heterocyclic Compounds
Abstract
Consecutive reactions of 2-aryl-4-(dichloromethylidene)-1,3-oxazol-5(4H)-ones with methyl 2-isocyanoacetate and then with pyrrolidine, piperidine, or morpholine led to previously unknown derivatives of methyl 5-amino-4,5'-bi-1,3-oxazole-4'-carboxylate.