Abstract: The invention relates to the synthesis and provision of a new class of volatile metal organic compounds based on bis(alkylimine)glyoxal and bis(dialkylhydrazone)glyoxal ligands in combination with cyclopentadienide and alkyl ligands for use in ALD and CVD processes.

Abstract: The invention relates to a method for producing complexes of precious metals, in particular platinum, which have at least one organo-dihydroazulenyl ligand. The invention also relates to complexes of precious metals, in particular platinum, which have at least one organo-dihydroazulenyl ligand and to the use of the aforementioned metal complexes as precatalysts or catalysts in a chemical reaction or as precursor compounds for producing a layer which contains a precious metal, in particular platinum, or a metal layer consisting of a precious metal, in particular platinum, in particular on at least one surface of a substrate. The invention additionally relates to a substrate, in particular a substrate which can be obtained according to such a method. The invention also relates to a crosslinkable silicon composition comprising at least one compound with aliphatic carbon-carbon multi-bonds, at least one compound with Si-bonded hydrogen atoms, and at least one platinum (IV) complex of the aforementioned type.

Abstract: The invention relates to a method for preparing compounds of the general formula MAYn(AzuH) (I), where MA=alkali metal, Y=neutral ligand, n=0, 1, 2, 3, or 4. AzuH is azulene (bicyclo[5.3.0]decapentaene) or an azulene derivative that bears a hydride anion H? in the 4, 6 or 8 position in addition to an H atom. The invention additionally provides compounds obtainable by this method, and a method using such compounds for preparation of complexes of metals of groups 6 to 12. The invention further relates to complexes of middle and later transition metals (groups 6 to 12) which each have at least one H-dihydroazulenyl anion (AzuH)1?, and to the use of all the aforementioned transition metal complexes as precatalysts or catalysts or electron transfer reagents in a chemical reaction or as precursor compounds for production of a layer containing a metal M, or of a metal layer consisting of the metal M, especially on at least one surface of a substrate.

Abstract: Metal complexes of formula (I) are described: [M(L1)x(L2)y(hydra)z]n??formula (I) wherein: M=metal atom having an atomic number selected from the ranges a) through c): a) 12, 21 to 34, with the exception of 30, b) 39 to 52, with the exception of 48, c) 71 to 83, with the exception of 80, L1=neutral or anionic ligand, with x=0 or 1, L2=neutral or anionic ligand, with y=0 or 1, (hydra)=acetone dimethylhydrazone monoanion, with z=1, 2, or 3, n=1 or 2, and the total charge of the complex is 0.

Abstract: The invention relates to new processes for preparing palladium complexes, allowing preparation of known products with high purity and in good yields and also allowing preparation of new palladium complexes. The invention also relates to new palladium complexes that are suitable as precatalysts and/or catalysts, in particular for coupling reactions.

Abstract: The invention relates to a method for producing MoO2Cl2 under inert conditions, comprising the steps of: (i) charging a reaction vessel with MoO2, (ii) reacting the MoO2 with supplied Cl2 in the reaction vessel at a first temperature T1 to give gaseous MoO2Cl2, (iii) transferring the gaseous MoO2Cl2 into a receiving vessel, (iv) resublimating the gaseous MoO2Cl2 in the receiving vessel to give solid MoO2Cl2 at a second temperature T2 that is lower than T1, and (v) recovering solid MoO2Cl2 with a purity determined by ICP-OES/MS of 99.9996 wt. % or more. The invention also relates to high-purity MoO2Cl2, the use thereof, and electronic components.

Abstract: The invention concerns a process for preparing an essentially silicon (Si) free compounds of the general formula [M(O)(OR)y], wherein M = Mo, y = 3 or M = W, y = 3 or 4. Furthermore, it is directed towards compounds obtained by the aforementioned process and towards the use of such an obtained compound. Another objective of the herein described invention are essentially silicon free compounds of the general formula MOXy or [MOXy(solv)p], prepared using the aforementioned process, wherein M = Mo, y = 3 or M = W, y = 3 or 4, X = Cl or Br, solv = an oxidizing agent Z binding or coordinating to M via at least one donor atom, p = 1 or 2.

Abstract: The invention relates to a method for producing aqueous preparations of complexes of platinum group metals (PGM) Pt, Pd, Rh and Ir having the general formula [MA/MB/MC (L)a (H2O)b (O2?)c(OH?)d](OH—)e(H+)f, wherein MA=PtII or PdII, MB=PtIV, MC=Rh or Ir, L is a neutral monodentate or bidentate donor ligand, and a is an integer between 1 and 4 (or 2) and/or between 1 and 6 (or 3), b is an integer between 0 and 3 (or 5), c is an integer between 0 and 3 (or 4), d is an integer between 0 and 3 (or 5), e is an integer between 0 and 2 (or 3 or 4) and f is an integer between 0 and 4 (or 5). In the method according to the invention, the hydroxo complexes H2Pd(OH)4 (in the case of MA=PdII), H2Pt(OH)6 (in the case of MA=PtII and MB=PtIV) or H3MC(OH)6 (for MC=RhIII IrIII) are converted in the presence of the donor ligands, wherein at least one hydroxo group of the hydro complex is exchanged. Preferably, the reaction occurs at temperatures in the range of 40 to 110° C.

Abstract: The invention relates to a one-pot method for preparing oxido (tetraalkoxido) tungsten compounds according to the general formula [W(O)(OR)4] (I), originating from WCl6, hexamethyldisiloxane, an alcohol ROH and an amine or NH3 gas. The invention further relates to the use of a compounds [W(O)(OR)4] (I) and to a substrate which has on one surface a tungsten layer or a layer containing tungsten which are suitable for producing photovoltaic elements, semiconductor elements or car exhaust catalytic converters. The method permits the preparation of defined products in a simple, cost-effective and reproducible manner in high purity and good to very good yields.

Abstract: The invention relates to compounds in accordance with the general formula [Ru(arene)(Ra—N?CR1—CR3?N—Rb)] or [Ru(arene)((Rc,Rd)N—N?CRH1—CRH3?N—N(Re,Rf))]. In this case, arene is selected from the group consisting of mononuclear and polynuclear arenes and heteroarenes. R1, R3, RH1, RH3 and Ra-Rf are independently selected from the group consisting of H, an alkyl radical (C1-C10) and an aryl radical. It further relates to methods for the production of these compounds, compounds obtainable according to these methods, their use and a substrate having on a surface thereof a ruthenium layer or a layer containing ruthenium. In addition, the invention relates to a method for producing compounds [Ru(arene)X2]2, wherein arene is selected from the group consisting of mononuclear and polynuclear arenes and X=halogen, compounds of this type obtainable according to this method, and their use.

Abstract: The invention relates to a process for producing metal carbonyls, wherein a reaction with a reaction mixture containing the following components is conducted in a reactor: (a) at least one metal carboxylate of formula (MeRx)w, wherein Me is a transition metal, R is a monocarboxylate having 6 to 12 carbon atoms, x=1, 2, 3, or 4, and w=1, 2, or 3, (b) carbon monoxide, (c) an aliphatic alcohol having 4 to 7 carbon atoms—preferably, butanol—and (d) a solvent, wherein the average dwell time in the reactor is less than 60 minutes.

Abstract: The invention relates to methods for the production of trialkylindium (InR3), wherein the production takes place in a reaction mixture that contains at least one alkylindium halide, a trialkylaluminum (AlR3), a carboxylate, and a solvent, wherein R is chosen independently of one another from C1-C4 alkyl, and X is chosen independently of one another from Cl, Br, and I.

Abstract: The invention relates to tetraalkylammonium-tetra- or hexahydroxometallates such as tetraethylammonium hexahydroxoplatinate, (N(alkyl)4)y[M(OH)x], a method for the production thereof, and the use thereof for producing catalysts.

Abstract: The invention relates to a method for producing aqueous preparations of complexes of platinum group metals (PGM) Pt, Pd, Rh and Ir having the general formula [MA/MB/MC (L)a (H2O)b (O2?)c(OH?)d](OH—)e(H+)f, wherein MA=PtII or PdII, MB=PtIV, MC=Rh or Ir, L is a neutral monodentate or bidentate donor ligand, and a is an integer between 1 and 4 (or 2) and/or between 1 and 6 (or 3), b is an integer between 0 and 3 (or 5), c is an integer between 0 and 3 (or 4), d is an integer between 0 and 3 (or 5), e is an integer between 0 and 2 (or 3 or 4) and f is an integer between 0 and 4 (or 5). In the method according to the invention, the hydroxo complexes H2Pd(OH)4 (in the case of MA=PdII), H2Pt(OH)6 (in the case of MA=PtII and MB=PtIV) or H3MC(OH)6 (for MC=RhIII IrIII) are converted in the presence of the donor ligands, wherein at least one hydroxo group of the hydro complex is exchanged. Preferably, the reaction occurs at temperatures in the range of 40 to 110° C.

Abstract: The invention relates to a method for producing trimethylplatinum(IV) iodide and trimethylplatinum(IV) iodide obtainable according to said method and the use thereof as a reactant for producing platinum(IV) compounds, as a precatalyst and as a catalyst. The platinum(IV) compounds thus obtainable, as well as the use thereof as precursors for the deposition of platinum layers and platinum-containing layers on a surface of a substrate are also the subject matter of the invention. The invention also relates to a substrate comprising a platinum layer or a platinum-containing layer on a surface, and to a method for producing an electronic component, in particular an electronic semiconductor component, or an electrode for a fuel cell using a platinum(IV) compound obtainable using trimethylplatinum(IV) iodide, which is obtainable by means of the method described herein.

Abstract: The invention relates to a method for producing a compound of formula MXn from a precursor compound of formula MXm, where M is a metal, X is a halide selected from F, Cl, Br, J, m is a number selected from the range 2 to 8, and n is a number selected from the range 1 to 7, with the condition that n<m, comprising a method step in which the precursor compound is reduced with a silane compound to the compound of formula MXn.

Abstract: The invention relates to a method for producing aqueous preparations of complexes of platinum group metals (PGM) Pt, Pd, Rh and Ir having the general formula [MA/MB/MC(L)a (H2O)b (O2—)c(OH?)d](OH—)e(H+)f, wherein MA=PtII or PdII, MB=PtIV, MC=Rh or Ir, L is a neutral monodentate or bidentate donor ligand, and a is an integer between 1 and 4 (or 2) and/or between 1 and 6 (or 3), b is an integer between 0 and 3 (or 5), c is an integer between 0 and 3 (or 4), d is an integer between 0 and 3 (or 5), e is an integer between 0 and 2 (or 3 or 4) and f is an integer between 0 and 4 (or 5). In the method according to the invention, the hydroxo complexes H2Pd(OH)4 (in the case of MA=PdII), H2Pt(OH)6 (in the case of MA=PtII and MB=PtIV) or H3MC(OH)6 (for MC=RhIII IrIII) are converted in the presence of the donor ligands, wherein at least one hydroxo group of the hydro complex is exchanged. Preferably, the reaction occurs at temperatures in the range of 40 to 110° C.

Abstract: The invention relates to tetraalkylammonium-tetra- or hexahydroxometallates such as tetraethylammonium hexahydroxoplatinate, (N(alkyl)4)y[M(OH)x], a method for the production thereof, and the use thereof for producing catalysts.

Abstract: Metal complexes of formula (I) are described: [M(L1)x(L2)y(hydra)z]n??formula (I) wherein: M=metal atom having an atomic number selected from the ranges a) through c): a) 12, 21 to 34, with the exception of 30, b) 39 to 52, with the exception of 48, c) 71 to 83, with the exception of 80, L1=neutral or anionic ligand, with x=0 or 1, L2=neutral or anionic ligand, with y=0 or 1, (hydra)=acetone dimethylhydrazone monoanion, with z=1, 2, or 3, n=1 or 2, and the total charge of the complex is 0.

Abstract: The invention relates to a two-stage synthesis for the production of bis(tertbutylimido)bis(dialkylamido)tungsten compounds according to the general formula [W(NtBu)2(NRARB)2] (I), starting from [W(NtBu)2(NHtBu)2]. The invention also relates to compounds according to the general formula [W(NtBu)2(NRARB)2] (I), obtainable according to the claimed method, compounds according to general formula [W(NtBu)2(NRARB)2] (I), with the exception of [W(NtBu)2(NMe2)2] and [W(NtBu)2(NEtMe)2], the use of a compound [W(NtBu)2(NRARB)2] (I), and a substrate which, on a surface, has a tungsten layer or a tungsten-containing layer. Defined bis(tertbutylimido)bis(dialkylamido)tungsten compounds of the type [W(NtBu)2(NRARB)2] (I) can be produced easily, economically and reproducibly in high purity and good yields by means of the described method. On account of their high purity, the compounds are suitable for producing high-quality substrates which have tungsten layers or tungsten-containing layers.