期刊
DALTON TRANSACTIONS
卷 -, 期 40, 页码 8657-8666出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/b907644a
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资金
- Russian Basic Research Foundation [08-03-00508]
Novel unsymmetrical ligands, 1-thiophosphoryloxy-3-thiophosphorylbenzenes 3a-d, bearing phosphine sulfide and thiophosphoryloxy moieties as coordinating sites, were found to undergo cyclometalation at the C-2 position of the central benzene ring in a reaction with bis(benzonitrile)palladium dichloride affording rare examples of nonsymmetrical pincer complexes, namely [2-{(thiophosphoryl)oxy}-6-(diphenylthiophosphoryl)phenyl]palladium chlorides 4a-d, containing 5- and 6-membered fused metallacycles with kappa(3)-SCS'-coordination. Molecular structures of the complexes were characterized by X-ray diffraction. These complexes demonstrated high catalytic activity for the Suzuki cross-coupling reactions of aryl bromides with phenylboronic acid.
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