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Published March 23, 2011 | Supplemental Material + Accepted Version
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Nickel Hydrides Supported by a Non-Innocent Diphosphine Arene Pincer: Mechanistic Studies of Nickel−Arene H-Migration and Partial Arene Hydrogenation

Lin, Sibo ORCID icon
Day, Michael W.
Agapie, Theodor ORCID icon
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Abstract

Nickel hydrides supported by a terphenyl diphosphine were synthesized and found to undergo nickel-to-arene H-transfers. Some of the resulting complexes also undergo the reverse (C-to-Ni) H-migration, indicating the potential for storing H-equivalents in this type of pincer ligand. NMR spectroscopy, single crystal X-ray diffraction, and isotopic labeling studies investigating the mechanism of these processes are discussed.

Additional Information

© 2011 American Chemical Society. Received: January 14, 2011. Published: February 23, 2011. We thank Lawrence M. Henling for crystallographic assistance. We are grateful to Caltech, BP, and NSF GRFP (S.L.) for funding. The Bruker KAPPA APEXII X-ray diffractometer was purchased via an NSF CRIF:MU award to Caltech, CHE-063-9094. The 400 MHz NMR spectrometer was purchased via an NIH award, RR027690.

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Accepted Version - nihms275958.pdf

Supplemental Material - ja200368y_si_001.pdf

Supplemental Material - ja200368y_si_002.cif

Supplemental Material - ja200368y_si_003.cif

Supplemental Material - ja200368y_si_004.cif

Supplemental Material - ja200368y_si_005.cif

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