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Issue 34, 2019
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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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Supplementary files

Article information


Submitted
12 May 2019
Accepted
26 Jul 2019
First published
30 Jul 2019

This article is Open Access
All publication charges for this article have been paid for by the Royal Society of Chemistry

Chem. Sci., 2019,10, 7859-7867
Article type
Edge Article

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, 10, 7859
DOI: 10.1039/C9SC02322D

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