A process comprising contacting a) an alkene, b) a hydrogen-boron bond containing compound, c) an -diimine metal salt complex comprising an -diimine iron salt complex or an -diimine cobalt salt complex, and d) a group 1 metal borohydride under conditions suitable to form an alkylboron compound. A process comprising contacting a) an alkene, b) a hydrogen-boron bond containing compound, and c) an -diimine metal salt complex comprising an -diimine iron methylenetrihydrocarbylsilyl complex or an -diimine cobalt methylenetrihydrocarbylsilyl complex, to form an alkyl-boron compound under conditions suitable to form an alkylboron compound. A process comprising contacting an alkene, a hydrogen-boron bond containing compound, and an -diimine metal salt complex to form an alkyl-boron compound under conditions suitable to form an alkylboron compound.

The present disclosure envisages a catalyst composition for olefin oligomerization. The present disclosure also provides the offline and inline methods for preparing the catalyst composition. The catalyst composition of the present disclosure provides high productivity and selectivity for 1-Hexene during olefin oligomerization.

The present invention relates to a process for preparing a porous metal-organic framework by reacting at least one metal compound in which the metal is Be, Mg, Ca, Sr, Ba, Al, Ga or In with at least one at least bidentate organic compound and also the use of such porous metal-organic frameworks.

The present invention relates to an optically pure (+) or () enantiomer of a ruthenium complex having formula (I) as well as the preparation method of said enantiomer, and uses thereof as catalyst, in particular in asymmetric olefin metathesis. ##STR00001##

The specification describes a method for the production of a hydrochlorination catalyst, comprising the steps of: i) preparing an impregnation solution by combining a source of gold and a ligand in a solvent, wherein the solvent comprises an organic solvent; ii) impregnating a support with the impregnation solution from step (i); and iii) drying the product of step (ii) to obtain the catalyst. Also described are hydrochlorination catalysts comprising a complex of gold and a ligand of Formula (I) supported on a support. These catalysts are particularly suitable for the conversion of acetylene to vinyl chloride monomer.

A 1,4-divinylphenylene-bridged diruthenium complex bearing two Ru(CO)(P.sup.iPr.sub.3).sub.2 moieties with 8-mercaptoquinolato co-ligand, its synthesis, and its use as a catalyst in organic processes.

The present invention relates to the field of polymerisation catalysts, and systems comprising said catalysts for polymerising carbon dioxide and an epoxide, a lactide and/or lactone, and/or an epoxide and an anhydride. The catalyst is of formula (I):

##STR00001##

Wherein M.sub.1 and M.sub.2 are independently selected from Zn(II), Cr(II), Co(II), Cu(II), Mn(II), Ni(II), Mg(II), Fe(II), Ti(II), V(II), Cr(III)-X, Co(III)-X, Ni(III)-X, Mn(III)-X, Fe(III)-X, Ca(II), Ge(II), Al(III)-X, Ti(III)-X, V(III)-X, Ge(IV)-(X).sub.2 or Ti(IV)-(X).sub.2. R.sub.3A is different from R.sub.3B; and/or at least one occurrence of E.sub.3, E.sub.4, E.sub.5 and E.sub.6 is different to a remaining occurrence of E.sub.3, E.sub.4, E.sub.5 and E.sub.6. A ligand, a process of asymmetric N-substitution of a symmetrical ligand and a process for the reaction of: (i) carbon dioxide with an epoxide; (ii) an epoxide and an anhydride; and/or (iii) a lactide and/or a lactone, in the presence of a catalyst is also described.

The present invention relates to the field of polymerisation catalysts, and systems comprising these catalysts for polymerising carbon dioxide and an epoxide, a lactide and/or lactone, and/or an epoxide and an anhydride. The catalyst is of formula (I):

##STR00001##

wherein at least one of M.sub.1 or M.sub.2 is selected from Ni(II) and Ni(III)-X. A process for the reaction of carbon dioxide with an epoxide; an epoxide and an anhydride; and/or a lactide and/or a lactone in the presence of the catalyst is also described.

The present invention is intended to provide a method for efficiently producing and providing a compound having a spirooxindole skeleton, for example, a compound having a spirooxindole skeleton and having antitumor activity that inhibits the interaction between Mdm2 protein and p53 protein, or an intermediate thereof, using an asymmetric catalyst. A compound having an optically active tricyclic dispiroindole skeleton is efficiently obtained through a catalytic asymmetric 1,3-dipolar cycloaddition reaction using ketimine as a reaction substrate and using a chiral ligand and a Lewis acid.

The present disclosure relates to a metal-organic framework modified using a compound having a hydroxyl group (OH), a catalyst for a hydrogenation reaction including the same, and a method of manufacturing the same. The catalyst according to the present disclosure has high activity to the hydrogenation reaction even at a low temperature of 30 to 40 C., thus making low-grade waste heat usable.