Chemistry Journal of Moldova

ZNCL2/ALCL3/SILICA (ZAS) AS AN EFFECTIVE HETEROGENEOUS CATALYST FOR THE SYNTHESIS OF 5-RYLOXYTETRAZOLES

Author(s):

F. Khamooshi and B. H. K. Jhaleh


Field: Organic chemistry
Type: Research paper
Issue: 2012 Volume 7, no.2
Pages: 130-135
Keywords:

5-Aryloxy tetrazoles, arylcyanates, guanyl azides, ZnCl 2 /AlCl 3 /silica (ZAS).


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Abstract (JPEG)

DOI:
dx.doi.org/10.19261/cjm.2012.07(2).04

Graphical Abstract:
 A simple and efficient method for preparation of 5-aryloxy tetrazoles (3a-h) from arylcyanates (1a-h) with using ZnCl2/AlCl3/silica (ZAS) as an effective heterogeneous catalyst in solvent free are described with excellent yields and high purity. The rate of product formation was enhanced by introduction of electron donating substituents. The 1H NMR and chemical shifts and multiplicities are also discussed.

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