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Gold‐Mediated CI Bond Activation of Iodobenzene
Author(s) -
Robinson Peter S. D.,
Khairallah George N.,
da Silva Gabriel,
Lioe Hadi,
O'Hair Richard A. J.
Publication year - 2012
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.201108502
Subject(s) - iodobenzene , sonogashira coupling , chemistry , reactivity (psychology) , oxidative addition , linker , cluster (spacecraft) , molecule , ion , photochemistry , stereochemistry , crystallography , catalysis , palladium , organic chemistry , operating system , medicine , alternative medicine , pathology , computer science , programming language
Controversy resolved! A combination of gas‐phase ion–molecule reactions and theoretical studies confirm bisligated mononuclear Au I complexes are unable to undergo oxidative addition of iodobenzene for Sonogashira coupling, but that the ligated gold clusters [Au 3 L n ] + (L=Ph 2 P(CH 2 ) n PPh 2 ; n =3–6) activate the CI bond. DFT calculations on the transition states show that the linker size n tunes the cluster reactivity.
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