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Title: Formation of 1,3,4-oxadiazolines and 1,3,4-oxadiazepines through acetylation of salicylic hydrazones
Authors: Alhadi, A.A. 
Othman, R. 
Yehye, W.A. 
Rahman, N.A. 
Issue Date: 2015
Journal: Tetrahedron Letters Volume 56, Issue 4, 21 January 2015, Pages 573-576 
Abstract: A new series of 1,3,4-oxadiazolines and 1,3,4-oxadiazepines are prepared in a one-step reaction through cyclization of various N-benzylidene-2-hydroxybenzohydrazides. Cyclization in acetic anhydride yielded 1,3,4-oxadiazolines, while the reaction carried out in acetic anhydride-acetic acid gave 1,3,4-oxadiazepines, in some cases. © 2014 Elsevier Ltd. All rights reserved.
DOI: 10.1016/j.tetlet.2014.12.037
Appears in Collections:COE Scholarly Publication

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