With respect to an addition-curable thermally conductive silicone composition in which a silver filler is blended, a catalyst having a specific structure and an organohydrogen polysiloxane having a specific structure are used for the purpose of extending the working life at room temperature, while maintaining the flexibility, so that a thermally conductive silicone composition which is able to have a good balance between flexibility after curing and storage stability in one pack, while having extremely low thermal resistance and excellent reliability is achieved.

This invention relates generally to olefin metathesis catalyst compounds, to the preparation of such compounds, compositions comprising such compounds, methods of using such compounds, articles of manufacture comprising such compounds, and the use of such compounds in the metathesis of olefins and olefin compounds. The invention has utility in the fields of catalysts, organic synthesis, polymer chemistry, and industrial and fine chemicals industry.

Disclosed herein are methods for preparing isotopically modified polyunsaturated lipids containing 1,4-diene systems involving selective isotopic modification of one or more bis-allylic positions of the polyunsaturated lipids in the presence of a transition metal catalyst.

The invention relates to the use as a coating or impregnating agent of an organosiloxane composition comprising a) 20 to 98.999989 wt % of at least one polyorganosiloxane comprising at least two alkenyl or alkynyl groups, as component A; b) 0.1 to 30 wt % of at least one linear or branched polyorganosiloxane comprising at least 3 Si—H groups, as component B; c) 0.000001 to 1 wt % of at least one UV-activatable, platinum-containing hydrosilylation catalyst, as component C; d) 0.00001 to 5 wt % of at least one alkynol of the general formula (I), where R.sup.1, R.sup.2 and R.sup.3 independently of one another are selected from H, C.sub.1-C.sub.6 alkyl and C.sub.3-C.sub.6 cycloalkyl; or R.sup.1 is selected from H, C.sub.1-C.sub.6 alkyl and C.sub.3-C.sub.6 cycloalkyl, and R.sup.2 and R.sup.3 are connected to one another and form a 3- to 8-membered ring, as component D; e) 0 to 79.899989 wt % of one or more polyorganosiloxanes comprising two terminal Si—H groups or one terminal Si—H group and one terminal alkenyl group, as component E; f) 0 to 20 wt % of one or more epoxy organosiloxanes, as component F; g) 0 to 5 wt % of one or more organosiloxanes, different from component A and having 1 to 5 Si atoms, and comprising at least two alkenyl groups, as component G; h) 0 to 79.899989 wt % of one or more silsesquioxanes, as component H; and i) 0 to 75 wt % of one or more additives, as component I; where the sum of components A to I is 100 wt %. ##STR00001##

The present invention refers to a process for a transition metal, particularly nickel-catalyzed cyanation reaction of aryl/vinyl halide using organic nitrile compounds. This new reaction provides a strategically distinct approach to the safe preparation of aryl/vinyl cyanides, which are essential compounds in agrochemistry and medicinal chemistry.

The invention relates to a method for producing a formate, the method including a first step of reacting hydrogen with carbon dioxide, a hydrogen carbonate or a carbonate using a catalyst in the presence of a solvent to form a formate in the reaction liquid, wherein the reaction is a two-phase system in which an organic phase and an aqueous phase are present in a separated state in the solvent, and a base concentration in the reaction is 2.5 mol/L or more.

Disclosed are methods of selective hydrodeoxygenation of aromatic compounds by using catalyst systems comprising N-heterocyclic carbene (NHC) and 4-pyridinol-derived pincer ligands and metal complexes containing these ligands.

Provided herein are a method of Ru(II)-catalyzed enantioselective synthesis of a cyclic compound and cyclic compounds formed therefrom. The method includes providing a precursor compound having an unfunctionalized C—H bond and activating the unfunctionalized C—H bond by reacting the precursor compound in the presence of co-catalysts including a Ru(II) arene complex and a chiral transient directing group (CTDG).

The present disclosure is directed to a cleavable agent for enhanced magnetic resonance generally corresponding to the formula Y-L-R, wherein Y represents a catalyst-binding moiety having at least one isotopically labeled heteroatom, L represents a cleavable bond, and R represents a hyperpolarized payload having at least one isotopically labeled carbon. Also disclosed herein is a method of cleaving the cleavable agent for enhanced magnetic resonance.

The invention discloses a method for the preparation of fluoro alkylated compounds by homogeneous Ni catalyzed fluoro alkylation with fluoro alkyl halides in the presence of a base.