The invention pertains to the synthesis of carbamate and urea compounds. In particular the invention is directed to the synthesis of carbamate and urea compounds which may be used in the production of compounds that are used to stabilize nitrocellulose. The method of the invention comprises preparing a carbamate or urea derivative comprising reacting an amine and a carbonate or carbamate in the presence of an ionic liquid.

Provided are a phosphazene compound, a method for preparing a phosphazene compound and a method for producing a polymer with a phosphazene compound as a catalyst. The compound of formula (I) or a solvate thereof, where A is a six- or eight-membered ring consisting of repeated P═N, and B is at least one of unsubstituted or substituted C.sub.1-6 alkylamino, unsubstituted or substituted C.sub.1-6 cycloalkylamino, unsubstituted or substituted arylamino, ##STR00001##
or halogen, and B is attached to A at phosphorus in P═N, where R is unsubstituted or substituted C.sub.1-6 alkyl, unsubstituted or substituted C.sub.1-6 cycloalkyl, unsubstituted or substituted aryl, or unsubstituted or substituted benzyl, or R forms C.sub.1-6 heterocycloalkyl together with N attached thereto. ##STR00002##

Catalyst compositions and processes for the oligomerization of ethylene to 1-hexene are described. The catalyst composition includes a triamino bisphospino (NPNPN) ligand system with specific phosphorous and nitrogen ligands. The terminal nitrogen atoms include linear alkyl hydrocarbons that differ in the number of carbon atoms by 3.

A process for the carbonylation of epoxides in the presence of catalyst systems, wherein the carbonylation takes place in the presence of carbon monoxide, and wherein the catalyst system contains a molybdenum-based compound. Carbonylation products as well as carbonylation derivatives and to the use of the claimed catalyst systems for the carbonylation of epoxides are also provided.

Catalyst compositions and processes for the oligomerization of ethylene to 1-hexene are described. The catalyst composition includes a triamino bisphospino (NPNPN) ligand system with specific phosphorous and nitrogen ligands. The terminal nitrogen atoms include linear alkyl hydrocarbons that differ in the number of carbon atoms by 3.

The present disclosure discusses (i) a compound having a chemical formula according to Formula (I), or its enantiomer; and (ii) a compound that is reactive with a hydride to produce a compound having a chemical formula according to Formula (I), or its enantiomer. Formula (I) is: Formula (I) where R.sub.1 and R.sub.2 are H, optionally substituted C.sub.1-C.sub.3 alkyl, or linked together to form an optionally substituted C.sub.3 or C.sub.4 alkyl group; R.sub.3 and R.sub.3′ are H; R.sub.4 and R.sub.4′ are the same, and are optionally substituted C.sub.1-C.sub.6 alkyl; and R.sub.5 and R.sub.5′ are the same, and are optionally substituted aryl or heteroaryl. In some examples, R4 and R5 are linked, and R.sub.4′ and R.sub.5′ are linked, where both linking groups are the same. The present disclosure also discusses methods of asymmetric reduction of an imine, and methods of forming the catalysts and pre-catalysts. ##STR00001##

1) Adhesive composition comprising at least one crosslinkable silylated polymer (A) and a catalytic composition (B) comprising: a tertiary amine (C) with a pKa of greater than 11 and an organometallic compound (D) obtained by reacting a metal alkoxide (D1) with an oxime (D2).

2) Corresponding catalytic composition (B).

The present invention relates to a transition metal complex that exhibits high activity in the polymerization reaction of olefin monomers and improved copolymerization activity, thus enabling the preparation of a low density, high molecular weight polyolefin, a catalyst composition including the same, and a method for preparing a polyolefin using the composition.

The invention relates to a process for producing oxamide-functional siloxanes by reacting (A) siloxanes of the general formula (I) ##STR00001##
with (B) siloxanes selected from (B1) linear siloxanes of the general formula
HO[SiR.sub.2O].sub.tH(II)
and (B2) cyclic compounds of the general formula
(SiR.sup.4.sub.2O).sub.s(III),
wherein the radicals and indices have the definitions specified in claim 1,
in the presence of (C) catalysts.

The present disclosure discusses (i) a compound having a chemical formula according to Formula (I), or its enantiomer; and (ii) a compound that is reactive with a hydride to produce a compound having a chemical formula according to Formula (I), or its enantiomer. Formula (I) is: Formula (I) where R.sub.1 and R.sub.2 are H, optionally substituted C.sub.1-C.sub.3 alkyl, or linked together to form an optionally substituted C.sub.3 or C.sub.4 alkyl group; R.sub.3 and R.sub.3are H; R.sub.4 and R.sub.4 are the same, and are optionally substituted C.sub.1-C.sub.6 alkyl; and R.sub.5 and R.sub.5 are the same, and are optionally substituted aryl or heteroaryl. In some examples, R4 and R5 are linked, and R.sub.4 and R.sub.5 are linked, where both linking groups are the same. The present disclosure also discusses methods of asymmetric reduction of an imine, and methods of forming the catalysts and pre-catalysts.

##STR00001##