General and Simple Method for the Synthesis of 3-nitroformazan Using Arenediazonium Tosylates

Title:General and Simple Method for the Synthesis of 3-nitroformazan Using Arenediazonium Tosylates

Volume: 13 Issue: 4

Author(s): Pavel V. Petunin, Rashid R. Valiev, Rodion G. Kalinin, Marina E. Trusova, Viktor V. Zhdankin and Pavel S. Postnikov

Affiliation:

Keywords: Arenediazonium tosylates, azo-coupling, diazonium salts, formazans, quantum-chemical calculations, TDDFT.

Abstract: A general and simple procedure for the synthesis of 3-nitroformazan using arenediazonium tosylates was developed. This convenient procedure can be applied for the preparation of 3-nitroformazans containing electron-donating or electron-withdrawing groups. First the anomaly 1,5-bis(4-methoxyphenyl)-3-nitroformazan was synthesized as the mixture of TSSC (trans-syn, s-cis) and previously unknown for 3-nitroformazans TASC (transanti, s-cis) isomers. The structure and spectral characteristics of TASC isomer were explained using quantumchemical calculation with TDDFT/B3LYP/6–31++G(d,p) level of theory.

Cite this article as:

Petunin V. Pavel, Valiev R. Rashid, Kalinin G. Rodion, Trusova E. Marina, Zhdankin V. Viktor and Postnikov S. Pavel, General and Simple Method for the Synthesis of 3-nitroformazan Using Arenediazonium Tosylates, Current Organic Synthesis 2016; 13 (4) . https://dx.doi.org/10.2174/1570179413666160205002843