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Cover Picture: Cationic Gold( I ) Complexes: Highly Alkynophilic Catalysts for the exo ‐ and endo ‐Cyclization of Enynes (Angew. Chem. Int. Ed. 18/2004)
Author(s) -
NietoOberhuber Cristina,
Muñoz M. Paz,
Buñuel Elena,
Nevado Cristina,
Cárdenas Diego J.,
Echavarren Antonio M.
Publication year - 2004
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200490051
Subject(s) - cationic polymerization , enyne , catalysis , chemistry , cover (algebra) , metal , stereochemistry , int , medicinal chemistry , polymer chemistry , organic chemistry , computer science , engineering , mechanical engineering , operating system
Lauding the rings in the realm of metal‐catalyzed cyclizations, where many mechanistic shadows lie: Gold is master, particularly in reactions that proceed through metal cyclopropylcarbene intermediates. In their Communication on page 2402 ff., A. M. Echavarren and co‐workers report on their quest to discover cationic gold( I ) complexes that selectively promote skeletal rearrangements and other enyne cyclizations under mild conditions.