Zh. Seitkasymov, S. R. Tulyaganov, A. Yunusov
1971
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Journal
Chemistry of Heterocyclic Compounds
Abstract
The corresponding 4-arylmorpholine-2,3-diones were obtained by the reaction of N-(2-hydroxyethyl)aniline, N-(2-hydroxypropyl)aniline, N-(2-hydroxyethyl)-p-chloroaniline, and N-(2-hydroxyethyl)-p-anisidine with diethyl oxalate. The N-(2-hydroxyethyl)-o-, p-, and m-toluidines and N-(2-hydroxyethyl)-o-anisidine form 1,4-(ditolyl)piperazines and 1,4-di(o-anisyl)piperazine.