Generation of metal formyl complexes using nickel and platinum hydrides as reducing agents
Journal Article
·
· Organometallics; (United States)
- National Renewable Energy Lab., Golden, CO (United States)
- Univ. of Colorado, Boulder (United States)
The five-coordinate nickel hydride complex [Ni(dmpe)[sub 2]H]PF[sub 6] (1) [dmpe = 1,2-bis-(dimethylphosphino)ethane] was synthesized by protonation of Ni(dmpe)[sub 2] with NH[sub 4]PF[sub 6]. The platinum analog, [Pt(dmpe)[sub 2]H]PF[sub 6] (2), and [Pt(depe)[sub 2]H]PF[sub 6] (3) [depe = 1, 2-bis(diethylphosphino)ethane]RB were synthesized by reduction of the corresponding Pt(II) complexes with NaBH[sub 4] on alumina. Complexes 1 and 3 can also be synthesized electrochemically. Reduction of Ni-(dmpe)[sub 2][sup 2+] by two electrons in the presence of ammonium ion generates 1, and reduction of Pt(depe)[sub 2][sup 2+] in methanol or wet acetonitrile produces 3. These hydrides react with a variety of cationic metal carbonyl complexes to produce known metal formyl complexes. The structure of 3 was determined by X-ray diffraction. Complex 3 crystallizes in a monoclinic unit cell with P2[sub 1]/c symmetry with a = 14.258 (4) [angstrom], b = 9.648 (3) [angstrom], c = 21.898 (5) [angstrom], [beta] = 91.17 (2)[degrees], V = 3011.7 (14) [degrees][sup 3], Z = 4, and d[sub calcd] = 1.662 g/cm[sup 3]. Full-matrix least-squares refinement converged with residuals R = 4.52% and R[sub w] = 5.90%. 21 refs., 1 fig., 4 tabs.
- OSTI ID:
- 6264010
- Journal Information:
- Organometallics; (United States), Journal Name: Organometallics; (United States) Vol. 12:2; ISSN ORGND7; ISSN 0276-7333
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
10 SYNTHETIC FUELS
100200* -- Synthetic Fuels-- Production-- (1990-)
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201 -- Chemical & Physicochemical Properties
400400 -- Electrochemistry
ALKALI METAL COMPOUNDS
AMMONIUM COMPOUNDS
BORON COMPOUNDS
CARBON COMPOUNDS
CARBON MONOXIDE
CARBON OXIDES
CHALCOGENIDES
CHEMICAL REACTIONS
CHEMISTRY
COHERENT SCATTERING
COMPLEXES
CRYSTALS
DATA
DIFFRACTION
ELECTROCHEMISTRY
EXPERIMENTAL DATA
HYDRIDES
HYDROGEN COMPOUNDS
INFORMATION
NICKEL COMPLEXES
NICKEL COMPOUNDS
NICKEL HYDRIDES
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
PLATINUM COMPLEXES
PLATINUM COMPOUNDS
PLATINUM HYDRIDES
REDUCTION
SCATTERING
SODIUM COMPOUNDS
SYNTHESIS
TRANSITION ELEMENT COMPLEXES
TRANSITION ELEMENT COMPOUNDS
X-RAY DIFFRACTION
100200* -- Synthetic Fuels-- Production-- (1990-)
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201 -- Chemical & Physicochemical Properties
400400 -- Electrochemistry
ALKALI METAL COMPOUNDS
AMMONIUM COMPOUNDS
BORON COMPOUNDS
CARBON COMPOUNDS
CARBON MONOXIDE
CARBON OXIDES
CHALCOGENIDES
CHEMICAL REACTIONS
CHEMISTRY
COHERENT SCATTERING
COMPLEXES
CRYSTALS
DATA
DIFFRACTION
ELECTROCHEMISTRY
EXPERIMENTAL DATA
HYDRIDES
HYDROGEN COMPOUNDS
INFORMATION
NICKEL COMPLEXES
NICKEL COMPOUNDS
NICKEL HYDRIDES
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
PLATINUM COMPLEXES
PLATINUM COMPOUNDS
PLATINUM HYDRIDES
REDUCTION
SCATTERING
SODIUM COMPOUNDS
SYNTHESIS
TRANSITION ELEMENT COMPLEXES
TRANSITION ELEMENT COMPOUNDS
X-RAY DIFFRACTION