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Synlett 1996; 1996(7): 652-654
DOI: 10.1055/s-1996-5546
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A Mild Approach to 1,3,4-Oxadiazoles and Fused 1,2,4-Triazoles. Diazenes as Intermediates?

Janez Košmrlj, Marijan Kočevar, Slovenko Polanc*
  • *Faculty of Chemistry and Chemical Technology, University of Ljubljana, Aškerčeva 5, SLO-1000 Ljubljana, Slovenia, Fax: +386-61-12-58-243; E-mail: slovenko.polanc@uni-lj.si
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Publication Date:
31 December 2000 (online)

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Various hydrazides or heterocyclic hydrazines were used in a one-pot procedure leading to the corresponding 1,3,4-oxadiazoles or condensed 1,2,4-triazoles.

R3P/(BrCl2)2/Et3N - 1,4-disubstituted semicarbazides - diazenes - 1,3,4-oxadiazoles - fused 1,2,4-triazoles

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