Cyclizations via Frustrated Lewis Pairs: Lewis Acid Induced Intramolecular Additions of Amines to Olefins and Alkynes

Intramolecular additions of amines to olefinic and acetylenic residues in the presence of B(C6F5)3 affords a “frustrated Lewis Pair” strategy to five‐ and six‐membered‐ring heterocyclic ammonium borate derivatives (see picture).

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Bibliographic Details
Published in:Chemistry : a European journal 2010-03, Vol.16 (10), p.3005-3008
Main Authors: Voss, Tanja, Chen, Chao, Kehr, Gerald, Nauha, Elisa, Erker, Gerhard, Stephan, Douglas W.
Format: Article
Language:English
Subjects:
Alkynes
Amines
Borates
Chemistry
cyclic ammonium salts
cyclization
Derivatives
frustrated Lewis pairs
heterocycles
Lewis acid
Olefins
Residues
Strategy
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Description
Summary:Intramolecular additions of amines to olefinic and acetylenic residues in the presence of B(C6F5)3 affords a “frustrated Lewis Pair” strategy to five‐ and six‐membered‐ring heterocyclic ammonium borate derivatives (see picture).
ISSN:0947-6539
1521-3765
DOI:10.1002/chem.200903483