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Showing papers in "Organometallics in 1996"


Journal ArticleDOI
TL;DR: This procedure provides a nonhazardous alternative to distillations and vacuum transfers and does not require undue supervision or cooling, yet allows for the rapid collection of large quantities of extremely pure solvents on demand.

2,663 citations


Journal ArticleDOI
TL;DR: The trans-RuIICl2 complexes with structurally similar N,N-bis[o-(diphenylphosphino)benzylidene]cyclohexane-1,2-diamine and N, N‘-bis [o-(mosphinamide)benzinyl]cycloenane- 1, 2-Diamine ligands have been synthesized, and their molecular structures have been determined.

324 citations


Journal ArticleDOI
TL;DR: Alkyl abstraction from {Me3SiN(CH2CH2NSiMe3)2}ZrR2 (N3Zr R2; R = CH2Ph, Me) using B(C6F5)3 affords cationic alkyl complexes stabilized by a diamide ligand as discussed by the authors.

282 citations


Journal ArticleDOI
TL;DR: In this paper, the catalytic addition of bis(pinacolato)diboron (1) to Pt(PPh3)4 was shown to generate cis-Pt(BO2C2Me4)2(Pph3)2 (5), whose structure was fully characterized by multinuclear NMR spectroscopy and single-crystal X-ray diffraction analysis.

274 citations


Journal ArticleDOI
TL;DR: In this paper, the energy gain ΔE associated with the formation of (CH3−Li)n from n Li• and n CH3• radicals is −45.5, −132.7, and −308.6 kcal/mol, respectively.

266 citations


Journal ArticleDOI
TL;DR: In this article, the results of an IR spectroelectrochemical study of the electrocatalytic reduction of carbon dioxide using the complexes [Re(CO)3(bpy)L]n (bpy = 2,2‘-bipyridine; n = 0, L = Cl-, CF3SO3-, n = +1, L= CH3CN, P(OEt)3) as catalyst precursors.

254 citations


Journal ArticleDOI
TL;DR: Water-soluble aliphatic phosphines were synthesized from air-stable, borane-protected precursors in this paper, and the steric parameters of these new phosphines are estimated using the Pd(PR_3)_2Cl_2 complexes.

222 citations


Journal ArticleDOI
TL;DR: The homologous series of ansa-monocyclopentadienyl amido complexes (C5H4)SiMe2(N-t-Bu)]M(NMe2)2 (M = Ti (2), Zr (3), Hf (4)), and ZrCl2(nMe2H)2 as discussed by the authors were prepared in 70−85% isolated yields.

212 citations


Journal ArticleDOI
TL;DR: In this article, the diiron complex was synthesized by the oxidative coupling of Fe(η5-C5Me5)(dppe) and C⋮CC⌈⌉CH.

199 citations


Journal ArticleDOI
TL;DR: The treatment of 1,6- and 1,7-enynes with a catalytic amount of PtCl2 in toluene at 80 °C results in skeletal reorganization (cyclorearrangement) of the enynes to give 1-vinylcycloalkenes in high yields as discussed by the authors.

193 citations


Journal ArticleDOI
TL;DR: In this paper, it was shown that the rate-limiting step is the formation of an actinide imido complex for thorium, and the imido intermediate has been characterized by standard techniques, including X-ray diffraction.

Journal ArticleDOI
TL;DR: In this paper, the (CO)nM−L bond dissociation energies at CCSD(T)/II using MP2/II optimized geometries also agree quite well with experimental data.


Journal ArticleDOI
TL;DR: In this article, the authors argue for turnover-limiting C⋮C/CC insertion into a Ln−N bond, followed by protonolysis of the resulting ln−C bond.

Journal ArticleDOI
TL;DR: The reactivity of benzamidinate-stabilized yttrium complexes has been investigated in this paper, showing that they are thermally stable showing no sign of decomposition, ligand or solvent metalation or H/D exchange after hours of 100 degrees C in cyclohexane-d(12) or benzene-d (6).

Journal ArticleDOI
TL;DR: The rhodium-catalyzed hydroformylation with the diphosphites P[O(2,2‘-(4-X-6-Y-C6H2)2)OP][O(4-Z-C 6H4]2 as discussed by the authors.

Journal ArticleDOI
TL;DR: The allenylidene complexes [M(CCCR2)(η5-C9H7)L2][PF6] (M = Ru, L = PPh3, L2 = 1,2-bis(diphenylphosphino)ethane (dppe), bis(diphosphino)-methane(dppm), R2 = 2 Ph (1a−c), C12H8 (2,2'-biphenyldi)

Journal ArticleDOI
TL;DR: The synthesis of [PhC(NSiMe3)2]2Y(μ-Cl)2Li·2THF (1) from YCl3·3.5THF, which can be easily transformed into [phC( NSiMe 3)2 ]2YCl·THF(2) as discussed by the authors.

Journal ArticleDOI
TL;DR: In this article, the factors determining the electron transfer-induced halide labilization in complexes (α-diimine)Re(CO)3(Hal), Hal = Cl and Br, were systematically studied via EPR and cyclic voltammetry in the presence of substituting ligands such as triphenylphosphine, cyanide, or acetonitrile.

Journal ArticleDOI
TL;DR: In this paper, the ferrocenyl dendritic macromolecules based on flexible poly(propylenimine) dendrimer cores, built up to the fifth generation, containing 4, 8, 16, 32, 64, and 64 peripheral ferroenyl moieties, have been prepared and characterized.

Journal ArticleDOI
TL;DR: The sulfide-linked bis(phenol) tbmpH2 (tbmp = 2,2‘-thiobis(6-tert-butyl-4-methylphenolato)) gives a series of titanium complexes of the formula [Ti(tbMP)X2]2 or [Ti[Ti[Tbmp)(L]X2]-2] (L = two-electron ligand, X = one electron ligand).

Journal ArticleDOI
TL;DR: In this paper, the insertion reactivity of alkynes with the diboryl complex (Ph3P)2Pt(BCat)2 (1, Cat ≡ {C6H4O2}2]- has been investigated under stoichiometric conditions.

Journal ArticleDOI
TL;DR: In this paper, the catalytic activity of the neutral vinylidene complex RuTp(PPh3)2H (3) exhibits the same catalytic properties as 1 and 2, where R = Ph, SiMe3, n-Bu and t-Bu.

Journal ArticleDOI
TL;DR: In this paper, the synthesis and characterization of the C2v symmetric (dimethylsilanediylbis(9-fluorenyl))zirconium dichloride (I) and DSSI dimethyl (II) are reported.

Journal ArticleDOI
TL;DR: In this paper, the X-ray structure analysis reveals an antifacial coordination of the [(tBu2PC2H4PtBu 2)Ni0] moieties to adjacent CC bonds of a formal cyclohexatriene ligand.

Journal ArticleDOI
TL;DR: Mixtures of Cp*TiR3 and equimolar amounts of B(C6F5)3 or C(C 6H5)4 were investigated in the syndiospecific polymerization of styrene in this paper.

Journal ArticleDOI
TL;DR: In this paper, the synthesis and characterization of sterically encumbered terphenyl compounds are described, which are 2, 6-Dipp2C6H3I (Dipp = 2,6-i-Pr2C 6H3-), 1, 2-6-Trip2c6h3I(Trip = 2.4, 6iPr3C 6h2−), 2, and 1, 3-Mes*C6h4 (Mes*) = 2 4, 6t-t-Bu3C6

Journal ArticleDOI
TL;DR: The structure of the platinum complex is described in detail in this article, where the addition of Ph2P(O)H to M(PEt3)3 (M = Pd, Pt) readily took place at room temperature in benzene to afford cis-MH[P( O)Ph2][PPh2(OH)](PE t3) complexes.

Journal ArticleDOI
TL;DR: In this article, the preparation of reactive diaqua complexes of (bis(diphenylphosphino)ferrocene)palladium(II) and -platinum(II)- bis(triflates) and the X-ray crystal structure of [Pt(dppf)(H2O)2][OTf]2

Journal ArticleDOI
TL;DR: The five-coordinate complex [RuHCl(CO)(PPri3)2] as discussed by the authors was the first to react with cyclopentadiene in methanol under reflux.