Synthesis of branched polynuclear 1, 3, 4-oxadiazoles

LI Vereshchagin, ON Verkhozina, AG Proidakov…

Index: Vereshchagin; Verkhozina; Proidakov; Smirnov; Kizhnyaev Chemistry of Heterocyclic Compounds, 2008 , vol. 44, # 9 p. 1158 - 1163

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Abstract

In searches for novel photosensitive [1] and biologically active materials [2-4] a broad series of 1,3,4-oxa- diazoles with different substituents on the carbon atoms have been reported. The usual basis for their synthesis is mainly the dehydration of the corresponding acid hydrazides [5]. However, this reaction is done in relatively severe conditions and does not permit preparation of polynuclear systems with different proportions of oxadiazole rings and other ...