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Metallacyclic Pyridylidene Structures from Reactions of Terminal Pyridylidenes with Alkenes and Acetylene
Author(s) -
Álvarez Eleuterio,
Hernández Yohar A.,
LópezSerrano Joaquín,
Maya Celia,
Paneque Margarita,
Petronilho Ana,
Poveda Manuel L.,
Salazar Verónica,
Vattier Florencia,
Carmona Ernesto
Publication year - 2010
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.201000608
Subject(s) - iridium , alkene , acetylene , intramolecular force , nucleophile , chemistry , benzene , nitrogen atom , medicinal chemistry , nitrogen , nucleophilic addition , photochemistry , stereochemistry , organic chemistry , catalysis , group (periodic table)
Iridium pyridyl species are key intermediates in the title reactions. Thermal elimination of benzene from complexes 1 (R=Me, Ph) creates a vacant coordination site accessible to unsaturated hydrocarbons. Subsequent intramolecular nucleophilic attack by the pyridyl nitrogen atom to the alkene or vinylidene leads to iridacyclic pyridylidene structures (see scheme).