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[2+1] Cycloadditions of Terminal Alkynes to Norbornene Derivatives Catalyzed by Palladium Complexes with Phosphinous Acid Ligands
Author(s) -
Bigeault Julie,
Giordano Laurent,
Buono Gérard
Publication year - 2005
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200500879
Subject(s) - norbornadiene , cycloaddition , norbornene , palladium , chemistry , catalysis , combinatorial chemistry , terminal (telecommunication) , organic chemistry , computer science , monomer , polymer , telecommunications
Two plus one makes three ‐membered rings in an unusual [2+1] cycloaddition of phenylethyne with norbornadiene as catalyzed by a new palladium( II ) complex with phosphinous acid ligands (see scheme). A related complex (cyclohexyl replaces t Bu) efficiently catalyzes the [2+1] cycloaddition of norbornene derivatives with various terminal alkynes to provide functionalized exo ‐alkylidenecyclopropanes.

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