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Mechanochemistry Frees Thiourea Dioxide (TDO) from the 'Veils' of Solvent, Exposing All Its Reactivity.

Francesco BasoccuFederico CuccuPietro CaboniLidia De LucaAndrea Porcheddu
Published in: Molecules (Basel, Switzerland) (2023)
The synthesis of nitrogen-based heterocycles has always been considered essential in developing pharmaceuticals in medicine and agriculture. This explains why various synthetic approaches have been proposed in recent decades. However performing as methods, they often imply harsh conditions or the employment of toxic solvents and dangerous reagents. Mechanochemistry is undoubtedly one of the most promising technologies currently used for reducing any possible environmental impact, addressing the worldwide interest in counteracting environmental pollution. Following this line, we propose a new mechanochemical protocol for synthesizing various heterocyclic classes by exploiting thiourea dioxide (TDO)'s reducing proprieties and electrophilic nature. Simultaneously exploiting the low cost of a component of the textile industry such as TDO and all the advantages brought by a green technique such as mechanochemistry, we plot a route towards a more sustainable and eco-friendly methodology for preparing heterocyclic moieties.
Keyphrases
  • low cost
  • human health
  • climate change
  • ionic liquid
  • risk assessment
  • heavy metals
  • randomized controlled trial
  • wastewater treatment
  • particulate matter
  • health risk assessment
  • air pollution
  • water quality