Aufsatz
Phosphetes via Transition Metal Free Ring Closure – Taking the Proper Turn at a Thermodynamic Crossing
Zusammenfassung
A transition metal free route to phosphetes featuring an exocyclic alkene unit is presented. In this approach phosphanides are added to a variety of diynes generating phosphaallylic intermediates which depending on the reaction conditions transform either to phosphetes or the corresponding phospholes. Investigation of the reaction mechanism by combined quantum chemical and experimental means identifies phosphole formation as thermodynamically controlled reaction path, whereas kinetic control furnishes the corresponding phosphetes. Structural and luminescence properties of the rare class of phosphetes are explored, as well as for selected key intermediates.
Zitierform
In: Chemistry - A European Journal Volume 27 / Issue 38 (2021-05-10) , S. 9782-9790 ; eissn:1521-3765Förderhinweis
Gefördert im Rahmen des Projekts DEALZitieren
@article{doi:10.17170/kobra-202107294435,
author={Roesler, Fabian and Kovács, Máté and Bruhn, Clemens and Kelemen, Zsolt and Pietschnig, Rudolf},
title={Phosphetes via Transition Metal Free Ring Closure – Taking the Proper Turn at a Thermodynamic Crossing},
journal={Chemistry - A European Journal},
year={2021}
}
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2021-08-04T14:02:26Z 2021-08-04T14:02:26Z 2021-05-10 doi:10.17170/kobra-202107294435 http://hdl.handle.net/123456789/13078 Gefördert im Rahmen des Projekts DEAL eng Namensnennung 4.0 International http://creativecommons.org/licenses/by/4.0/ cyclization density functional calculations luminescence phosphorus heterocycles silanes 540 Phosphetes via Transition Metal Free Ring Closure – Taking the Proper Turn at a Thermodynamic Crossing Aufsatz A transition metal free route to phosphetes featuring an exocyclic alkene unit is presented. In this approach phosphanides are added to a variety of diynes generating phosphaallylic intermediates which depending on the reaction conditions transform either to phosphetes or the corresponding phospholes. Investigation of the reaction mechanism by combined quantum chemical and experimental means identifies phosphole formation as thermodynamically controlled reaction path, whereas kinetic control furnishes the corresponding phosphetes. Structural and luminescence properties of the rare class of phosphetes are explored, as well as for selected key intermediates. open access Roesler, Fabian Kovács, Máté Bruhn, Clemens Kelemen, Zsolt Pietschnig, Rudolf doi:10.1002/chem.202101298 Deutsche Forschungsgemeinschaft. Grant Numbers: PI 353/11-1, SFB 1319; Nemzeti Kutatási Fejlesztési és Innovációs Hivatal. Grant Number: BME IE-NAT TKP2020 Cyclisation Lumineszenz Phosphor Silane Thermodynamische Eigenschaft publishedVersion eissn:1521-3765 Issue 38 Chemistry - A European Journal 9782-9790 Volume 27 false
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