Showing papers in "Journal of Organometallic Chemistry in 1988"

TL;DR: The reaction between (C5Me5)SiMe3 and group 4 element tetrahalides MX4 (M  Ti, Cl, Br, I, Zr, Hf, X ǫ, Cl) gives the corresponding (η5-C5me5)MX3 derivatives in nearly quantitative yields in one-step procedure without the need for further purification as discussed by the authors.

TL;DR: In this article, the centric space group I 2/c (non-standard setting of C 2/ c ) was used to determine the structures of both ethylenebis(η 5 tetrahydroindenyl)titanium dichloride (1) and its zirconium analog 2.

TL;DR: X-ray crystal structures of six complexes of the type M 3 (CO) 10 (L) 2 (M = Ru, L = PPh 3, PPh(OMe) 2 and P(OCH 2 CF 3 3 ) have been determined as discussed by the authors.

TL;DR: The catalytic system (Ph3P)2NiC12/zinc/pyridine in acetonitrile is an effective catalyst for reactions of aryl and alkyl bromides with styrene and methyl acrylate as discussed by the authors.

TL;DR: In this paper, the effect of substituting one CO group in M3(CO)12 (M = Ru, Os) by a P, or As-donor ligand was determined.

TL;DR: In this article, the authors used ultrasonic irradiation to perform the Khand reaction at low temperatures, and added phosphine oxides to the reaction mixture significantly increased yields in most cases.

TL;DR: The molecular structures of Ru3(CO)9(L)3 (L = PMe2(CH2Ph), PMePh, AsMe2Ph, PPh(OMe)2, P(OEt)3 and P(OCH2CF3)3 have been determined by single-crystal X-ray diffraction methods as discussed by the authors.

TL;DR: Palladium-(II) and -(IV) species active as catalysts in CC bond-forming reactions have been stabilized by adding phenanthroline as a ligand.

TL;DR: The enantioselective formation of 2-phenylpropanal is strongly influenced by the reaction temperature, the S -enantiomer predominate at lower and the R -species at higher temperatures.

TL;DR: In this article, a series of α-substituted acrylic acids have been obtained with selectivities of 65-90% and fair overall yields for the Ni(bipy)3(BF4)2 catalyst.

TL;DR: The reactivity of the cationic, weakly ligated, transition metal compounds, [Pd(MeCN)4](BF4)2 (1); [M(MECN)6]-BF42, [M  Ni, 2; Co, 3] and [MNO)2(MeCAN)4]-BF 4 2, [M

TL;DR: In this article, an analysis of X-ray data for seventeen polymeric triorganotin(IV) carboxylates gives a repeat distance of 5.19 ± 0.21 A.

TL;DR: In this paper, the chiral ligands (4 S -2-methyl-2-(2-pyridyl)-4-carbomethoxy-1,3-thiazolidine) were used for in-situ hydrosilylation with diphenylsilane.

TL;DR: In this paper, the terdentate ligand of the M(pnp)Cl2 complexes is nucleophilically attacked by the methoxide ion to lose a proton.

TL;DR: The organolithium etherate complexes [Li(Et 2 O) 2 (CPh 3 )] (1) and [{Li 2 O)(2,4,6-(CHMe 2 ) 3 C 6 H 2 (Trip) groups] have been crystallized from their ether solutions and structurally characterized by X-ray crystallography.

TL;DR: In this article, Pd(PPh 3 ) 4 catalyzes the allylic alkylation of carbon nucleophiles with allylic borates in high yields under neutral conditions.

TL;DR: In this paper, the interaction of Cp 2 TiCl 2 with equimolar amounts of Mg and tolane in THF results in the formation of a tolan complex of titanocene Cp2 Ti(C 2 Ph 2 ).

TL;DR: In this paper, the half life of the approach to the equilibrium IIIa/IIIb = 60 40, at 60°C in toluene, being approximately 170 min, is given.

TL;DR: The activation barrier for tetraisopropylcyclopentadienyl ligand rotation was found to be 56.8 kJ/mol from the Eyring equation.

TL;DR: In this article, the main group metal compounds (tmeda)Ni-(CH 3 ) 2 (1), which can be isolated as fine yellow crystals in 50-80% yield Complex 1, which is the simplest dialkyl nickel(II) compound with a hard donor ligand, is surprisingly stable and decomposes only at 79°C 1 is converted by bipy to (bipy)Ni(CH 3 ), 2 and by Me 2 PC 2 H 4 4 PMe 2 to (Me 2PC 2H 4 PME 2, 2.

TL;DR: In this paper, the crystal structure of stannylene was determined by X-ray diffraction, and the reaction between Co(η5-C5H5)(η2-C2H4)2 and the stanylene 1 yielded Co(C6H4CH2NMe2-o)2] (3).

TL;DR: In this article, the synthesis of boron heterocycles from borinic and boronic esters with α-amino acids was explored as a means of upgrading the optical purities of intermediates from asymmetric hydroboration.

TL;DR: A series of α-heterosubstituted epoxides,, has been found to undergo lithiation in the temperature range of −75 to −115°C at the CH bond of the epoxide as mentioned in this paper.

TL;DR: The crystal structure of needle modification of (PhCH2)5C5Tl (1), obtained from TlOC2H5, was determined in this article, which consists of an almost linear chain of monomeric molecules with covalent thallium-cyclopentadienyl interactions.

TL;DR: In this article, it was shown that the reaction of 1 or elemental magnesium with BrCPh3 in THF or addition of THF to 4 yields a red solid of the Grignard reagent containing some paramagnetic species.