Journal
ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES
Volume 70, Issue 11, Pages 819-828Publisher
WALTER DE GRUYTER GMBH
DOI: 10.1515/znb-2015-0070
Keywords
2,5-disubstituted tetrazoles; one pot; sono-chemical synthesis; 5-substituted 1H-tetrazoles
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The ultrasound-assisted preparation of 2-(1H-tetrazol-5-yl) acrylonitrile derivatives via a one-pot multi-component method is described successfully using ZrP2O7 nanoparticles as a catalyst. Readily available tetra-zoles can be transformed into the corresponding 1,5- and 2,5-disubstituted tetrazoles. 2,4'-Dibromoacetophenone gave the corresponding 2,5-disubstituted derivative as the only isomer. Synthesis of tetrazole derivatives with excellent yields in short times, a wide range of products under ultrasound irradiation, environmental benignity and a simple work-up procedure are some of the important features of this protocol.
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