Chemical Oxidative Polymerization of Safranines

The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online

Gordana Ćirić-Marjanović; Natalia V. Blinova; Miroslava Trchová; Jaroslav Stejskal

2007

Scholarcy highlights

  • The Altmetric Attention Score is a quantitative measure of the attention that a research article has received online
  • Phenosafranine and safranine have been oxidized with ammonium peroxydisulfate in acidic aqueous solution
  • The oxidative coupling of both safranines was proved by gel permeation chromatography demonstrating the presence of oligomeric chains of mass-average molar masses 6500 and 4500 g mol-1 for polyphenosafranine and polysafranine, respectively
  • The study of the redox properties of the hydrated safranines and their reactive species shows that nitrenium cations are the main reactive species generated by the oxidation of the parent safranines with a two-electron oxidant, peroxydisulfate, in the initiation phase
  • The dominant dimers of safranines are formed by N−C coupling reactions between nitrenium cations and the parent safranines
  • In papers with more than one author, the asterisk indicates the name of the author to whom inquiries about the paper should be addressed

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