Disclosed are novel metal organic compounds, a method for their production and their use to make catalytically active compounds, which can be used in well-established methods of organic synthesis.

The present invention provides oxalic amide ligands and uses thereof in copper-catalyzed coupling reaction of aryl halides. Specifically, the present invention provides a use of a compound represented by formula I, wherein definitions of each group are described in the specification. The compound represented by formula I can be used as a ligand in copper-catalyzed coupling reaction of aryl halides for the formation of CN, CO and CS bonds. ##STR00001##

Provided herein are nickel(O) catalysts that are stable when exposed to air and can be used to catalyze the formation of a CC, CO, or CN bond.

The disclosure relates to a method for forming aryl carbon-nitrogen bonds and to photoreactors useful in these and other light-driven reactions. The method comprises contacting an aryl halide with an amine in the presence of a Ni salt catalyst solution and an optional base, thereby forming a reaction mixture; exposing the reaction mixture to light under reaction condition sufficient to produce the aryl carbon-nitrogen bonds. In certain embodiments, the amine may be present in a molar excess to the aryl halide. In certain embodiments, the Ni salt catalyst solution includes a Ni(II) salt and a polar solvent, wherein the Ni(II) salt is dissolved in the polar solvent. In certain embodiments, the reactions conditions include holding the reaction mixture at between about room temperature and about 80 C. for between about 1 hour and about 20 hours such that at least about 50% yield is obtained.

The present invention relates to a method for the reductive amination of a carbonyl compound, comprising one or more carbonyl groups amenable to reductive amination, forming the corresponding primary amine, characterized in that the reaction is carried out in the presence of a homogeneously dissolved catalyst complex K, comprising at least one metal atom from Group 8, 9 or 10 of the periodic table, bearing a bidentate phosphane ligand, a carbonyl ligand, a neutral ligand and a hydride ligand, and also an acid as co-catalyst.

The present invention is in the field of surfactants to extract a platinum group metal or gold, in particular palladium, from organic compositions. In particular, the invention concerns the use of surfactants to back-extract a platinum group metal or gold, in particular palladium, from organic compositions further comprising an extractant of said platinum group metal or gold, in particular palladium from an aqueous solution.

An organometallic complex catalyst is disclosed for use in a cross-coupling reaction. In formula (1), M is the coordination center and represents a metal atom such as Pd or an ion thereof. R.sup.1, R.sup.2, and R.sup.3 may be the same or different and are a substituent such as a hydrogen atom. R.sup.4, R.sup.5, R.sup.6, and R.sup.7 may be the same or different and are a substituent such as a hydrogen atom. X represents a halogen atom. R.sup.8 represents a substituent that has a bond and 3-20 carbon atoms. With regard to the electron-donating properties of R.sup.1-R.sup.7 with respect to the coordination center M of the ligand containing R.sup.1-R.sup.7 that is indicated in formula (2), R.sup.1-R.sup.7 are arranged in combination such that the TEP value obtained from infrared spectroscopy shifts toward the high frequency side compared to the TEP value of the ligand of formula (2-1).

##STR00001##

The present invention provides a palladium precatalyst for cross-coupling reaction, the palladium precatalyst comprising a structure represented by following formula 1:

##STR00001##

wherein, R.sub.1 and R.sub.2 are the same, and R.sub.1 and R.sub.2 are substituted or unsubstituted phenyl; R.sub.3 and R.sub.4 are the same, and R.sub.3 and R.sub.4 are substituted or unsubstituted phenyl or cyclohexyl.

The invention relates to ylide-functionalized phosphane ligands, the production of same and use in transition metal compounds, as well as the use of same as catalysts in organic reactions.

This disclosure relates to compositions comprising diruthenium catalysts and uses related thereto. In certain embodiments, the diruthenium catalyst comprises a cyclopropyl ring substituted with a carboxylic acid ligand. In certain embodiments, the diruthenium catalyst comprises an N-(sulfonyl)pyrrolidine ring substituted with a carboxylic acid ligand. In certain embodiments, the diruthenium catalyst comprises a 2-(1,3-dioxoisoindolin-2-yl)acetic acid ligand. In certain embodiments, this disclosure relates to methods of using catalysts in chemical transformations disclosed herein.