In one aspect, phosphine compounds comprising three adamantyl moieties (PAd.sub.3) and associated synthetic routes are described herein. Each adamantyl moiety may be the same or different. For example, each adamantyl moiety (Ad) attached to the phosphorus atom can be independently selected from the group consisting of adamantane, diamantane, triamantane and derivatives thereof. Transition metal complexes comprising PAd.sub.3 ligands are also provided for catalytic synthesis including catalytic cross-coupling reactions.

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 [M.sup.A/M.sup.B/M.sup.C (L).sub.a (H.sub.2O).sub.b (O.sup.2−).sub.c(OH.sup.−).sub.d](OH—).sub.e(H.sup.+).sub.f, wherein M.sup.A=Pt.sup.II or Pd.sup.II, M.sup.B=Pt.sup.IV, M.sup.C=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 H.sub.2P.sub.d(OH).sub.4 (in the case of M.sup.A=Pd.sup.II), H.sub.2Pt(OH).sub.6 (in the case of M.sup.A=Pt.sup.II and M.sup.B=Pt.sup.IV) or H.sub.3M.sup.C(OH).sub.6 (for M.sup.C=Rh.sup.III Ir.sup.III) 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. with a reaction time of between 2 and 24 hours, wherein, where MA=PtII, the conversion additionally occurs in the presence of a reduction agent. The method optionally further comprises an exchange of OH anions bound outside of the complex sphere with other anions (e.g. hydrogen carbonate or carbonate anions). The aqueous preparations contain PGM complexes such as [Pt(en).sub.2](OH).sub.2, [Pt(EA).sub.4](OH).sub.2 or [Rh(NH.sub.3).sub.6](OH).sub.3 and are used to produce electroplating baths, heterogeneous catalysts or metal powders, for example.

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 [M.sup.A/M.sup.B/M.sup.C(L).sub.a (H.sub.2O).sub.b (O.sup.2—).sub.c(OH.sup.−).sub.d](OH—).sub.e(H.sup.+).sub.f, wherein M.sup.A=Pt.sup.II or Pd.sup.II, M.sup.B=Pt.sup.IV, M.sup.C=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 H.sub.2P.sub.d(OH).sub.4 (in the case of M.sup.A=Pd.sup.II), H.sub.2Pt(OH).sub.6 (in the case of M.sup.A=Pt.sup.II and M.sup.B=Pt.sup.IV) or H.sub.3M.sup.C(OH).sub.6 (for M.sup.C=Rh.sup.III Ir.sup.III) 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. with a reaction time of between 2 and 24 hours, wherein, where MA=PtII, the conversion additionally occurs in the presence of a reduction agent. The method optionally further comprises an exchange of OH anions bound outside of the complex sphere with other anions (e.g. hydrogen carbonate or carbonate anions). The aqueous preparations contain PGM complexes such as [Pt(en).sub.2](OH).sub.2, [Pt(EA).sub.4](OH).sub.2 or [Rh(NH.sub.3).sub.6](OH).sub.3 and are used to produce electroplating baths, heterogeneous catalysts or metal powders, for example.

An organic electroluminescence device including a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region, wherein the emission layer may include an organometallic compound represented by Formula 1 to thereby exhibit a long service life and/or high efficiency:

##STR00001##

Provided herein are compounds of general Formula I:

##STR00001##

or agriculturally acceptable salts thereof. The compounds of Formula I can be used to improve the health of plants. For example, the compounds of Formula I can be used to inhibit a microbial pathogen of a plant, or to increase resistance of a plant to one or more abiotic stress. Methods of manufacturing the compounds of general Formula I, as well as synthetic intermediates are also provided.

Method for the production of tetrakis(trihydrocarbylphosphane)palladium(0) in organic solvent, whereby 50 to 100% by weight of the organic solvent consist of at least one polar-aprotic solvent, characterised in that a) at least one palladium compound selected from the group consisting of palladium(II) compounds and palladium(IV) compounds that are soluble in the organic solvent is reacted with b) at least one base, selected from the group consisting of alkali metal hydroxides, alkali metal carbonates, alkali metal hydrogen carbonates, alkali metal-C.sub.1-C.sub.4-alcoholates, ammonium carbonate, ammonium hydrogen carbonate, alkaline earth metal hydroxides, alkaline earth metal carbonates, alkaline earth metal hydrogen carbonates, alkaline earth metal-C.sub.1-C.sub.4-alcoholates, and alkylamines with a total of 2 to 12 carbon atoms; c) at least one trihydrocarbylphosphane; and d) at least one organic reducing agent that is different from the remaining components that are used in the method.

Described herein are compositions and methods for the storage and release of hydrogen gas using covalent organic frameworks (COFs). Advantageously, the compositions and methods described herein may be used for the facile and rapid release of hydrogen gas at near ambient temperatures. The described COFs allow for photoactivation, where the release of gas is initiated or the rate of release is increased with the COF is exposed to electromagnetic radiation, for example, UV light.

Methods of synthesizing crystalline metal-organic frameworks (MOFs) comprising polytopic organic linkers and cations, where each linker is connected to two or more cations, are provided. In the disclosed methods, the linkers are reacted with a compound of formula M.sub.nX.sub.m, where M is cationic Be, Mg, Ca, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Zr, Nb, Mo, Ru, Rh, Pd, Cd, or Hf, X is anionic, n and m are integers. The reacting is buffered by a buffer devoid of metal coordinating functionality when the pKa of the anion is below a threshold related to the lowest pKa of the linker. The reacting is optionally not buffered when the pKa of the anion is at or above this threshold. The disclosed methods lead to product phase MOF in which crystal growth is controlled leading to control over molecular diffusion.

A novel nano-sized 4-Bromo-2-[(9H-purin-6-ylimino)-methyl]-phenol imine Pd(II) complex, its synthesis, and its use for potential super pharmaceutical applications.

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 [M.sup.A/M.sup.B/M.sup.C(L).sub.a (H.sub.2O).sub.b (O.sup.2—).sub.c(OH.sup.−).sub.d] (OH—).sub.e(H.sup.+).sub.f, wherein M.sup.A=Pt.sup.II or Pd.sup.II, M.sup.B=Pt.sup.IV, M.sup.C=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 H.sub.2P.sub.d(OH).sub.4 (in the case of M.sup.A=Pd.sup.II), H.sub.2Pt(OH).sub.6 (in the case of M.sup.A=Pt.sup.II and M.sup.B=Pt.sup.IV) or H.sub.3M.sup.C(OH).sub.6 (for M.sup.C=Rh.sup.III Ir.sup.III) 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. with a reaction time of between 2 and 24 hours, wherein, where MA=PtII, the conversion additionally occurs in the presence of a reduction agent. The method optionally further comprises an exchange of OH anions bound outside of the complex sphere with other anions (e.g. hydrogen carbonate or carbonate anions). The aqueous preparations contain PGM complexes such as [Pt(en).sub.2](OH).sub.2, [Pt(EA).sub.4](OH).sub.2 or [Rh(NH.sub.3).sub.6](OH).sub.3 and are used to produce electroplating baths, heterogeneous catalysts or metal powders, for example.