The Chemistry of Formazans and Tetrazolium Salts

Abstract

In this rewiev, the structure of formazans and of tetrazolium salts has been described. Furthermore, importance and usage of formazan-tetrazolyum systems have been explained. Tautomerization properties and geometric isomers based on conjugate π-system of formazans have been examined. In addition, common synthesis of these compounds and UV-visible, IR, 1H NMR spectrums used in explanation of structures have been discussed.

Keywords

• Formazan,Tetrazolium salts,Tautomerization,Chelate form

Formazanlar ve Tetrazolyum Tuzlarının Kimyası

Abstract

B u çalışmada tetrazolyum tuzları veformazanların yapıları tanımlanmıştır. Ayrıca formazan-tetrazolyum sistemlerinin önemi ve kullanım alanları açıklanmıştır. Formazanların sahip oldukları conjugate p-system kaynaklanan tautomerleşme özellikleri ve geometrik izomerleri incelenmiştir. Bu bileşiklerin en yaygın kullanılan sentezleri ve yapılarının açıklanmasında önemli olan UV-visible, IR ve 1H NMR spektrumları tartışılmıştır

Keywords

• Formazan,tetrazolyum tuzları,tautomeri,şelat yapı

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