An efficient homocoupling of 2-halotropones, to afford 2,2'-bitropones, occurs in toluene at rt in the presence of stoichiometric amounts of [Ni(cod)2] and tris(1-pyrazolyl)methane ligand, in a 1:1 molar ratio. This methodology was extended to aryl halides.
Homocoupling of Halotropones Promoted by Bis(1,5-Cyclooctadiene)Nickel in the Presence of Tris(1-Pyrazolyl)Methane. An Easy Route to [Bi-1,3,5-Cycloheptatrien-1-yl]-7,7’-Diones
FUNAIOLI, TIZIANA;CAVAZZA, MARINO
2009-01-01
Abstract
An efficient homocoupling of 2-halotropones, to afford 2,2'-bitropones, occurs in toluene at rt in the presence of stoichiometric amounts of [Ni(cod)2] and tris(1-pyrazolyl)methane ligand, in a 1:1 molar ratio. This methodology was extended to aryl halides.File in questo prodotto:
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