Cycloaddition Reactions of an Active Cyclic Phosphane/Borane Pair with Alkenes, Alkynes, and Carbon Dioxide
Dr. Xiaoming Jie
Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, 48149 Münster, Germany
These authors contributed equally to this work.
Search for more papers by this authorDr. Qiu Sun
Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, 48149 Münster, Germany
These authors contributed equally to this work.
Search for more papers by this authorDr. Constantin G. Daniliuc
Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, 48149 Münster, Germany
Search for more papers by this authorRobert Knitsch
Institut für Physikalische Chemie, Westfälische Wilhelms-Universität, Münster, Corrensstraße 28, 48149 Münster, Germany
Search for more papers by this authorProf. Dr. Michael Ryan Hansen
Institut für Physikalische Chemie, Westfälische Wilhelms-Universität, Münster, Corrensstraße 28, 48149 Münster, Germany
Search for more papers by this authorProf. Dr. Hellmut Eckert
Institut für Physikalische Chemie, Westfälische Wilhelms-Universität, Münster, Corrensstraße 28, 48149 Münster, Germany
Instituto de Fisica, Sáo Carlos, Universidade de São Paulo, CP 369, 13566-590 São Carlos S. P., Brazil
Search for more papers by this authorDr. Gerald Kehr
Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, 48149 Münster, Germany
Search for more papers by this authorCorresponding Author
Prof. Dr. Gerhard Erker
Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, 48149 Münster, Germany
Search for more papers by this authorDr. Xiaoming Jie
Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, 48149 Münster, Germany
These authors contributed equally to this work.
Search for more papers by this authorDr. Qiu Sun
Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, 48149 Münster, Germany
These authors contributed equally to this work.
Search for more papers by this authorDr. Constantin G. Daniliuc
Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, 48149 Münster, Germany
Search for more papers by this authorRobert Knitsch
Institut für Physikalische Chemie, Westfälische Wilhelms-Universität, Münster, Corrensstraße 28, 48149 Münster, Germany
Search for more papers by this authorProf. Dr. Michael Ryan Hansen
Institut für Physikalische Chemie, Westfälische Wilhelms-Universität, Münster, Corrensstraße 28, 48149 Münster, Germany
Search for more papers by this authorProf. Dr. Hellmut Eckert
Institut für Physikalische Chemie, Westfälische Wilhelms-Universität, Münster, Corrensstraße 28, 48149 Münster, Germany
Instituto de Fisica, Sáo Carlos, Universidade de São Paulo, CP 369, 13566-590 São Carlos S. P., Brazil
Search for more papers by this authorDr. Gerald Kehr
Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, 48149 Münster, Germany
Search for more papers by this authorCorresponding Author
Prof. Dr. Gerhard Erker
Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, 48149 Münster, Germany
Search for more papers by this authorGraphical Abstract
Six-membered cyclic frustrated phosphane/borane Lewis pair adds carbon dioxide under mild conditions. Crystallization gave the unique macrocyclic tetramer with bridging CO2 between the individual cyclo-FLP units (see scheme).
Abstract
The active six-membered cyclo-FLP 6 undergoes a rapid P/B addition reaction to carbon dioxide. At elevated temperature, the resulting heterobicyclo[2.2.2]octane derived product 7 undergoes ring opening and equilibrates with the cyclotetramer (7)4. In the large macrocyclic structure, four monomeric six-membered cyclo-FLP units are connected by four CO2 molecules to form the supramolecular ring system. The P/B cyclo-FLP 6 undergoes a variety of additional cycloaddition reactions.
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