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A selective route to aryl-triphosphiranes and their titanocene-induced fragmentation

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Abstract

Triphosphiranes are three-membered phosphorus cycles and their fundamental reactivity has been studied in recent decades. We recently developed a high-yielding, selective synthesis for various aryl-substituted triphosphiranes. Variation of the reaction conditions in combination with theoretical studies helped to rationalize the formation of these homoleptic phosphorus ring systems and highly reactive intermediates could be isolated. In addition we showed that a titanocene synthon [Cp2Ti(btmsa)] facilitates the selective conversion of these triphosphiranes into titanocene diphosphene complexes. This unexpected reactivity mode was further studied theoretically and experimental evidence is presented for the proposed reaction mechanism.

Graphical abstract: A selective route to aryl-triphosphiranes and their titanocene-induced fragmentation

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The article was received on 12 May 2019, accepted on 26 Jul 2019 and first published on 30 Jul 2019


Article type: Edge Article
DOI: 10.1039/C9SC02322D
Chem. Sci., 2019, Advance Article
  • Open access: Creative Commons BY-NC license
    All publication charges for this article have been paid for by the Royal Society of Chemistry

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    A selective route to aryl-triphosphiranes and their titanocene-induced fragmentation

    A. Schumann, F. Reiß, H. Jiao, J. Rabeah, J. Siewert, I. Krummenacher, H. Braunschweig and C. Hering-Junghans, Chem. Sci., 2019, Advance Article , DOI: 10.1039/C9SC02322D

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