摘要:
Process for the telomerization of dienesThe present invention relates to a process for the telomerization of dienes, according to which the diene is reacted with a compound containing an active hydrogen atom in the presence of a palladium compound, a water-soluble phosphine ligand and a base, the water-soluble ligand being a bidentate ligand having the following formula I ##STR1## in which R is identical or different and is phenyl, C.sub.1 -C.sub.12 -alkyl or C.sub.3 -C.sub.10 -cycloalkyl, which may be unsubstituted or substituted by one or more radicals R',R' is identical or different and is SO.sub.3.sup.- M.sup.+, --NMe.sub.3.sup.+ or --COO.sup.- M.sup.+,n is an integer from 1 to 6, in each case based on a naphthyl backbone, andM is H, Na, K, Cs or R".sub.4 N.sup.+ where R" is identical or different and is H, C.sub.1 -C.sub.12 -alkyl or C.sub.1 -C.sub.10 -cycloalkyl.
摘要:
Disclosed and claimed are oxidation reactions involving, as a catalyst, a bis- and/or tris-(.mu.-oxo)-dimanganese complex salt of the formula I[LMn(.mu.-O).sub.a (.mu.-OAc).sub.b MnL].sup.x A.sub.y (I)Ac is a C.sub.2 -C.sub.8 -acyl group,a is 1, 2 or 3,b is 0 when a is 2 or 3 or b is 2 when a is 1,x indicates the number of positive charges and is 2 or 3,A is a singly or doubly negatively charged anion,y is the number of anions A required to balance the positive charges andL is a ligand, such as N,N-bis(2-pyridylmethyl)-N-methylamine or N,N,N',N'-tetrakis(2-pyridyl(methyl)-N-methylamine or N.sub.1 N.sub.1 N.sub.1, N.sup.1 -tetrakis(2-pyridylmethyl)-1,2-ethylenediamine.
摘要:
Bleach systems comprising bis- and tris(.mu.-oxo)dimanganese complex salts as catalystBis- and tris(.mu.-oxo)dimanganese complex salts of the formula�LMn(.mu.-O).sub.a (.mu.-OAc).sub.b MnL!.sup.x A.sub.yas catalysts for oxidizing organic compounds, in which formulaAc is a C.sub.2 -C.sub.8 -acyl group,a is 1, 2 or 3,b is 0 if a is 2 or 3 or is 2 if a is 1,x denotes the number of positive charges and is 2 or 3,A is an anion,y is the equivalent amount of anion A required to compensate the positive charges, andL is a ligand, preferably N,N'-bis(2-pyridylmethyl)-N-methylamine or N,N,N',N'-tetrakis(2-pyridylmethyl)-1,2-ethylenediamineare employed as catalysts in bleach systems for textile material.
摘要:
The chiral manganese-triazonone complex of the general formula (I) is disclosed: �Mn.sub.u (L).sub.V (OR).sub.W (.mu.-O).sub.X (.mu.OAc).sub.y !X.sub.z(I) The complex is useful industrially to prepare chiral compounds.
摘要:
The present invention relates to a process for preparing aromatic amines by reacting an aromatic nitro compound with carbon monoxide in a solvent mixture comprising water and a water-insoluble organic solvent by means of a catalyst comprising palladium and a water-soluble phosphine under a pressure of from 5 to 300 bar and at a temperature of from 50 to 200.degree. C., and separating the aqueous phase and the organic phase.
摘要:
The invention relates to a process for preparing monofunctional, bifunctional or polyfunctional aromatic olefins of the formula (I) ##STR1## wherein a palladium compound of the formula (IV) ##STR2## is used as a catalyst in the preparation of the compounds of the formula (I).
摘要:
A process for preparing chiral epoxides using chiral manganese triazanonane complexes as oxidation catalysts. These catalysts have the general formula�Mn.sub.u (L).sub.v (OR).sub.w (.mu.O).sub.x (.mu.OAc).sub.y !X.sub.z !(III)
摘要:
A process for photocatalytic acceptor-free dehydrogenation of alkanes and alcohols, in which an alkane or an alcohol is irradiated in the presence of a rhodium complex containing organic phosphorus(III) compounds as ligands as a catalyst, and in the presence of at least one Lewis base is provided.
摘要:
The invention relates to a method for producing hydrogen by selective dehydration of formic acid using a catalytic system consisting of a transition metal complex of transition metal salt and at least one tripodal, tetradentate ligand, wherein the transition metal is selected from the group comprising Ir, Pd, Pt, Ru, Rh, Co and Fe. The transition metal complex can be used either as a homogeneous catalyst or a heterogenised metal complex, which has been applied to a carrier.
摘要:
The present invention relates to a process for deuteration of amines in the alpha and/or beta position of the N-atom by using a deuterium source and a Ruthenium(II) based catalyst.