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Cycloaddition Reactions of an Active Cyclic Phosphane/Borane Pair with Alkenes, Alkynes, and Carbon Dioxide
Author(s) -
Jie Xiaoming,
Sun Qiu,
Daniliuc Constantin G.,
Knitsch Robert,
Hansen Michael Ryan,
Eckert Hellmut,
Kehr Gerald,
Erker Gerhard
Publication year - 2020
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201905171
Subject(s) - cycloaddition , chemistry , ring (chemistry) , octane , monomer , borane , molecule , supramolecular chemistry , carbon dioxide , medicinal chemistry , polymer chemistry , stereochemistry , organic chemistry , catalysis , polymer
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 CO 2 molecules to form the supramolecular ring system. The P/B cyclo‐FLP 6 undergoes a variety of additional cycloaddition reactions.
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