==Synthesis== Tetrazole was first prepared by the reaction of anhydrous hydrazoic acid and hydrogen cyanide under pressure. Treatment of organic nitriles with sodium azide in the presence of iodine or silica-supported sodium hydrogen sulfate as a heterogeneous catalyst enables an advantageous synthesis of 5-substituted 1H-tetrazoles. ==Uses == The...
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http://en.wikipedia.org/wiki/Tetrazole
• (n.) A crystalline acid substance, CH2N4, which may be regarded as pyrrol in which nitrogen atoms replace three CH groups; also, any of various derivatives of the same.
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http://thinkexist.com/dictionary/meaning/tetrazole/
A class of compounds which produces a color change (e. g., a red precipitate) when reduced by microbial activity.
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The compound CN4H2 with the structure of tetrazolium. ... (05 Mar 2000) ...
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http://www.encyclo.co.uk/local/20973
Tet·raz'ole noun [
Tetrazo- +
-ole .]
(Org. Chem.) A crystalline acid substance, CH
2 N
4 , which may be regarded as pyrrol in which nitrogen atoms replace three CH groups; also, any of various derivatives of the same.
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http://www.encyclo.co.uk/webster/T/35
Type: Term Pronunciation: tet′ră-zōl Definitions: 1. The compound CN
4H
2 with the structure of tetrazolium.
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http://www.medilexicon.com/medicaldictionary.php?t=91081
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