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Cleavage of Palladium Metallacycles by Acids: A Probe for the Study of the Cyclometalation Reaction
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1999
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Inorganic ChemistryChemical EngineeringCross-coupling ReactionEngineeringHeterocyclicAlkene MetathesisReverse ReactionNatural SciencesMolecular BiologyPalladium MetallacyclesOrganic ChemistryOrganometallic CatalysisCatalysisCyclometalation ReactionChemistryAsymmetric CatalysisMetallacycle 1
Useful mechanistic information about the cyclometalation reaction may be obtained by studying the reverse reaction, namely, the protonation of metallacycle 1 by acids of different coordinating anions (see scheme). Ar=3,5-(F3C)2C6H3; Tf=F3CSO2.