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2 Homometallic Alkoxides

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neodymium pentanuclear complex 403<br />

neopentylidene 678<br />

neopentyloxides 56, 428<br />

neptunium see also actinide metals;<br />

plutonium; thorium; uranium<br />

neptunium methoxide 29<br />

New perspectives in the tailoring of the<br />

heterometallic alkoxide derivatives 202<br />

nickel 75<br />

nickel alkoxides 18, 46, 68, 110, 192, 209,<br />

324–326, 362–363<br />

nickel antimony heterometallic compound,<br />

octanuclear 432<br />

nickel aryloxides 484, 620–621, 626<br />

nickel bromide methoxide 100<br />

nickel chloride methoxide 100<br />

nickel dichloride 96<br />

nickel dimethoxide 96, 98, 136<br />

nickel metallacycles 464<br />

nickel methoxide 75, 100, 135<br />

nickel monochloride monomethoxide 96<br />

nickel oxo-alkoxides 432, 433–434<br />

nickel(II) tert-butoxide 110<br />

niobate alkoxides 192<br />

niobium 26, 124, 125, 126, 186, 187, 275,<br />

334, 477, 478, 480, 574, 611<br />

alkylation of chloride aryloxides 574<br />

bimetallic derivatives 200<br />

distorted octahedral 353<br />

infrared spectra 73<br />

octahedral 418<br />

niobium alkoxides 32, 66, 67, 85, 87, 102,<br />

114, 132, 281, 385<br />

alkylation of 141<br />

boiling points of 67<br />

heterometallic 362–363<br />

homoleptic 275<br />

molecular complexity of 67<br />

preparation of 37<br />

niobium aryloxides 563, 612<br />

niobium(V) cadium mixed ligand complex,<br />

trinuclear 357<br />

niobium(IV) dichloride dimethoxide complex<br />

275<br />

niobium N,N-diethylaminooxide derivatives<br />

126<br />

niobium heterometallic oxo-alkoxide anions<br />

418<br />

niobium isopropoxide 67, 85, 87<br />

niobium lead oxo-ethoxide, decanuclear 418<br />

niobium oxo-alkoxides 384, 417–419<br />

niobium(V) oxo-ethoxide, octanuclear 417<br />

niobium penta-alkoxides 26, 39, 87, 135<br />

niobium pentaethoxide 36, 121<br />

niobium pentaisopropoxide 87, 211<br />

niobium pentakis(trimethylsiloxide) 112<br />

niobium pentamethoxides 56, 87, 275<br />

Index 697<br />

niobium tert-butoxides 87<br />

niobium/tantalum bonds 473<br />

niobotungstate anions 393<br />

nitric oxide 151–152, 154, 283<br />

nitriles 154, 611<br />

2-nitro-phenoxides 447<br />

NMR (nuclear magnetic resonance)<br />

spectroscopy 72, 77, 391–393<br />

nona-alkoxodimetallates 213, 215<br />

nona-alkoxostannates 213<br />

nona-dimetallate(IV) ligands, bonding modes<br />

216–220<br />

nonamacrocyclic tetra-aryloxide 452<br />

nontransition metals 335<br />

heterometallic complexes 353<br />

norbornadienes 678<br />

norbornenes 574, 678, 679<br />

O<br />

1,7-octadiene 563<br />

octaethylporphyrin (oep) 274<br />

octahedral, distorted 298<br />

octamolybdates 426<br />

olefins see alkenes<br />

oligomerization 29, 52, 138, 391, 474, 509,<br />

672<br />

oligomers 29, 509, 678<br />

Oppenauer oxidation reactions 108, 141,<br />

147–148<br />

organoheterometallic alkoxide chemistry<br />

140<br />

organoimide alkoxides, binuclear 292<br />

organometallic alkoxides 4, 364, 367<br />

organometallics 4, 464<br />

organoytterbium complex, dinuclear 263<br />

osmium 432<br />

osmium(IV), Schiff base alkoxo complex<br />

321<br />

osmium alkoxides 321, 322<br />

osmium aryloxides 611, 616<br />

oxa-aza-metallacycle 561<br />

2-oxa-titanacyclopent-4-ene rings 611<br />

oxidation reactions 45–46, 141–148<br />

oxidative addition reactions 149–150,<br />

478<br />

oxides 5, 31<br />

heterometal 674<br />

oximate derivatives, homoleptic 125<br />

oximes 106, 125, 127<br />

oximes and N,N-diethylhydroxylamine,<br />

reactions of 125–127<br />

oxine (8-hydroxyquinoline) 445<br />

oxiranes, ring-opening polymerization 679<br />

oxo vanadatrane 390<br />

oxo vanadium complexes 412

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