Prepolymerized catalyst component for the polymerization of olefins CH.sub.2CHR, wherein R is hydrogen or a C.sub.1-C.sub.12 hydrocarbyl group, comprising a solid catalyst component characterized by comprising Mg, Ti halogen and an electron donor (ID) selected from the alkyl esters of aromatic dicarboxylic acids in such an amount that the molar ratio ID/Mg ranges from 0.025 to 0.07 and the Mg/Ti molar ratio is higher than 13, said prepolymerized catalyst component containing an amount of ethylene pre-polymer up to 50 g per g of said solid catalyst component.

A method for producing a (meth)acrylate comprises transesterification reaction of an alcohol and a monofunctional(meth) acrylate with catalysts in combination being cyclic tertiary amines having an azabicyclo structure and compounds containing zinc, separating a solid that contains the catalysts from a reaction product containing a (meth)acrylate, and producing a (meth)acrylate by transesterification reaction of an alcohol and a monofunctional (meth)acrylate, while using the recovered solid catalyst.

Sorbent materials are described that have enhanced performance in removing chlorine and chloramine, among other toxic compounds. The sorbent materials are formed by a process which includes steps of oxidation, adding a nitrogen-containing compound, and calcining the sorbent. The processes of forming the sorbent materials are also disclosed. The sorbent materials have excellent performance as measured by a chloramine and/or chlorine destruction number, and the sorbents retain a high nitrogen edge concentration. The sorbent materials may also be incorporated into devices such as filter assemblies.

A hydrosilylation reaction catalyst prepared from: a prescribed transition metal compound such as iron pivalate, cobalt pivalate, iron acetate, cobalt acetate, or nickel acetate; a ligand comprising t-butylisocyanide or another isocyanide compound; and a borane compound, Grignard reagent, alkoxysilane, or other prescribed promoter makes it possible to promote a hydrosilylation reaction under moderate conditions, and has exceptional handling properties and storage stability.

A novel catalyst is provided which enables efficient production of an oxidation product by using an oxygen-induced oxidation reaction of an organic substrate. A novel method of using the catalyst enables efficient manufacturing of the oxidation product by oxidizing the organic substrate using oxygen. A catalyst used in the oxidation reaction of the organic substrate using oxygen contains compound (A), compounds (A) and (B), compounds (A) and (C), compounds (B) and (C), or compounds (A) and (B) and (C). A method for manufacturing the oxidation product using the catalyst involves bringing the organic substrate into contact with oxygen. Compound (A) is an inorganic peroxo acid, a salt of an inorganic peroxo acid, and/or N-halogenated succinimide, compound (B) is a nitroxide and/or a peroxide, and compound (C) is layered silicate.

Coordination polymers of MOF type, comprising a repeating unit of the general formula [M.sub.2(dcx).sub.2L.sub.2], wherein M represents a metal cation (M.sup.2+), dcx represents an anion of a dicarboxylic acid and L represents a neutral molecule of hydrazone. A method for preparation of coordination polymers of MOF type, wherein in the first step a compound of aldehyde or ketone group is condensed with a hydrazide, and in the second step the condensation product is reacted using a metal compound and a dicarboxylic acid. An application of coordination polymers of MOF type for the detection, capturing, separation, or storage of molecules, for the fabrication of ionic conductors, for the construction of batteries and fuel cells, as well as drug carriers.

A process for preparing 3-[(4S)-8-bromo-1-methyl-6-(2-pyridinyl)-4H-imidazo[1,2-a][1,4]-benzodiazepin-4-yl]propionic acid methyl ester benzenesulfonate by oxidation of 3-[(S)-7-bromo-2-(2-hydroxy-propylamino)-5-pyridin-2-yl-3H-benzo[e][1,4]d-iazepin-3-yl]propionic acid methyl ester in the presence of an oxidation catalyst is provided.

A process for preparing 3-[(S)-7-bromo-2-(2-oxo-propylamino)-5-pyridin-2-yl-3H-1,4,-benzodiazepin-3-yl]propionic acid methyl ester at a high conversion rate with good reproducibility by oxidizing 3-[(S)-7-bromo-2-(2-hydroxy-propylamino)-5-pyridin-2-yl-3H-benzo[e][1,4]diazepin-3-yl]propionic acid methyl ester in the presence of an oxidation catalyst is provided by defining the ammonium ion content of 3-[(S)-7-bromo-2-(2-hydroxy-propylamino)-5-pyridin-2-yl-3H-benzo[e][1,4]diazepin-3-yl]propionic acid methyl ester.

An alkylation process is described. The alkylation process includes contacting a feed comprising a paraffin or an aromatic with an olefin feed in the presence of a liquid Lewis acid catalyst in an alkylation reaction zone under alkylation conditions to form a reaction mixture comprising alkylation products and the liquid Lewis acid catalyst. The liquid Lewis acid catalyst is the liquid reaction product of a donor molecule and a metal halide. The alkylation products are separated from the liquid Lewis acid catalyst and recovered.

A method for producing a (meth) acrylate comprises transesterification reaction of an alcohol and a monofunctional (meth) acrylate with catalysts in combination being cyclic tertiary amines having an azabicyclo structure and compounds containing zinc, separating a solid that contains the catalysts from a reaction product containing a (meth) acrylate, and producing a (meth) acrylate by transesterification reaction of an alcohol and a monofunctional (meth) acrylate, while using the recovered solid catalyst.