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Preparation and Characterization of P2 BCh Ring Systems (Ch=S, Se) and Their Reactivity with N-Heterocyclic Carbenes.
Graham, Cameron M E; Millet, Clément R P; Price, Amy N; Valjus, Juuso; Cowley, Michael J; Tuononen, Heikki M; Ragogna, Paul J.
Afiliação
  • Graham CME; Department of Chemistry and the Centre for Advanced Materials and Biomaterials Research, Western University, 1151 Richmond St., London, Ontario, N6A 5B7, Canada.
  • Millet CRP; EaStCHEM, School of Chemistry, University of Edinburgh, Edinburgh, EH9 3FJ, UK.
  • Price AN; EaStCHEM, School of Chemistry, University of Edinburgh, Edinburgh, EH9 3FJ, UK.
  • Valjus J; Department of Chemistry, Nanoscience Centre, University of Jyväskylä, P.O. Box 35, Jyväskylä, 40014, Finland.
  • Cowley MJ; EaStCHEM, School of Chemistry, University of Edinburgh, Edinburgh, EH9 3FJ, UK.
  • Tuononen HM; Department of Chemistry, Nanoscience Centre, University of Jyväskylä, P.O. Box 35, Jyväskylä, 40014, Finland.
  • Ragogna PJ; Department of Chemistry and the Centre for Advanced Materials and Biomaterials Research, Western University, 1151 Richmond St., London, Ontario, N6A 5B7, Canada.
Chemistry ; 24(3): 672-680, 2018 Jan 12.
Artigo em Inglês | MEDLINE | ID: mdl-29119625
ABSTRACT
Four-membered rings with a P2 BCh core (Ch=S, Se) have been synthesized by the reaction of phosphinidene chalcogenide (Ar*P=Ch) and phosphaborene (Mes*P=BNR2 ). The mechanistic pathways towards these rings are explained by detailed computational work that confirmed the preference for the formation of P-P, not P-B, bonded systems, which seems counterintuitive given that both phosphorus atoms contain bulky ligands. The reactivity of the newly synthesized heterocycles, as well as that of the known (RPCh)n rings (n=2, 3), was probed by the addition of N-heterocyclic carbenes, which revealed that all investigated compounds can act as sources of low-coordinate phosphorus species.

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Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: MEDLINE Idioma: Inglês Revista: Chemistry Assunto da revista: Química Ano de publicação: 2018 Tipo de documento: Artigo País de afiliação: Canadá