Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 137, Issue 39, Pages 12486-12489Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jacs.5b08313
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Funding
- Inorganometallic Catalyst Design Center
- DOE, Office of Basic Energy Sciences [DE-SC0012702]
- Phillips 66 Excellence Fellowship
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [1254621] Funding Source: National Science Foundation
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A series of bimetallic complexes pairing zero-valent nickel with group 13 M(III) ions is reported. Stronger Ni -> M(III) dative bonds that render Ni more electron-deficient are seen for larger ions (In > Ga > Al). The larger Ga and In ions stabilize rare, nonclassical Ni-H-2 adducts that catalyze olefin hydrogenation. In contrast, neither the Ni-Al complex nor a single nickel center enables H-2 binding or olefin hydrogenation. By comparison of the structures, redox properties, and catalytic activities of the Ni-M series, the electronic and steric effects of the supporting metal ion are elucidated.
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