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US 5,969,171 AGranted
Metal complexes as bleach activators
AssigneeClariant GmbH
InventorBernd Nestler
Life of this patent
Estimating the term…
Abstract
Metal complexes of the formula 1 [L.sub.n M.sub.m X.sub.p ].sup.z Y.sub.q (1) where M is manganese in oxidation state II, III, IV, V and/or VI or cobalt in oxidation state II and/or III or iron in oxidation state II and/or III, X is a coordinating or bridging group, Y is a counterion in the appropriate stoichiometric amount to compensate an existing charge z, where z as the charge of the metal complex can be positive, zero or negative, n and m independently of one another are integers from 1 to 4, p is an integer from 0 to 15, q is z/charge of Y, and L is a ligand of the formula (2), (3) or (4) ##STR1## and A and R.sup.1 to R.sup.8 are as defined in the description.
Claims11
A compound of the formula 1
- [L.sub.n M.sub.m X.sub.p ].sup.z Y.sub.q ( 1)
- where
- M is manganese in oxidation state II, III, IV, V and/or VI or cobalt in oxidation state II and/or III or iron in oxidation state II and/or III,
- X is a coordinating or bridging group,
- Y is a counterion in the appropriate stoichiometric amount to compensate an existing charge z, where
- z as the charge of the metal complex can be positive, zero or negative,
- n and m independently of one another are integers from 1 to 4,
- p is an integer from 0 to 15,
- q is z/charge of Y, and
- L is a ligand of the formula (2), (3) or (4) ##STR3## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 independently of one another are hydrogen or a C.sub.1 - to C.sub.10 -alkyl, cycloalkyl or aryl radical,
- R.sup.5, R.sup.6, R.sup.7 and R.sup.8 independently of one another are hydrogen, C.sub.1 - to C.sub.30 -alkyl, cycloalkyl or aryl radicals, C.sub.1 - to C.sub.4 -alkoxy groups, substituted or unsubstituted amino or ammonium groups, halogen atoms, sulfo groups, carboxyl groups or groups of the formula --(CH.sub.2).sub.r --COOH, --(CH.sub.2).sub.r --SO.sub.3 H, --(CH.sub.2).sub.r --PO.sub.3 H.sub.2 or --(CH.sub.2).sub.I --OH where is an integer from 0 to 4 and I is an integer from 1 to 4 and where said acid groups can also be present in salt form, and
- A is a C.sub.2 - to C.sub.4 -alkylene radical, a C.sub.5 - to C.sub.10 -cycloalkylene radical or an arylene radical,
- with the exception of compounds of the formula 1 if L is a ligand of the formula 4, M=Co, Fe, A=ethylene, R.sup.3 and R.sup.4 are hydrogen and R.sup.5 to R.sup.8 are chloro and with the exception of compounds of the formula 1 if L is a ligand of the formula 4, M.dbd.Mn, A=phenylene, and R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, and R.sup.8 are hydrogen.
10 more elements
A process for bleaching comprising the use of a bleach in combination with the compound of the formula 1 as a bleaching catalyst, said compound having the following structure:
- [L.sub.n M.sub.m X.sub.p ].sup.z Y.sub.q ( 1)
- where
- M is manganese in oxidation state II, III, IV, V and/or VI or cobalt in oxidation state II and/or III or iron in oxidation state II and/or III,
- X is a coordinating or bridging group,
- Y is a counterion in the appropriate stoichiometric amount to compensate an existing charge z, where
- z as the charge of the metal complex can be positive, zero or negative,
- n and m independently of one another are integers from 1 to 4,
- p is an integer from 0 to 15,
- q is z/charge of Y, and
- L is a ligand of the formula (2), (3) or (4) ##STR4## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 independently of one another are hydrogen or a C.sub.1 - to CO.sub.10 -alkyl, cycloalkyl or aryl radical,
- R.sup.5, R.sup.6, R.sup.7 and R.sup.8 independently of one another are hydrogen, C.sub.1 - to C.sub.30 -alkyl, cycloalkyl or aryl radicals, C.sub.1 - to C.sub.4 -alkoxy groups, substituted or unsubstituted amino or ammonium groups, halogen atoms, sulfo groups, carboxyl groups or groups of the formula --(CH.sub.2).sub.r --COOH, --(CH.sub.2).sub.r --SO.sub.3 H, --(CH.sub.2).sub.r --PO.sub.3 H.sub.2 or --(CH.sub.2).sub.I --OH where r is an integer from 0 to 4 and I is an integer from 1 to 4 and where said acid groups can also be present in salt form, and
- A is a C.sub.2 - to C.sub.4 -alkylene radical, a C.sub.5 - to CO.sub.10 -cycloalkylene radical or an arylene radical,
- with the exception of compounds of the formula 1 if L is a ligand of the formula 4, M.dbd.Co, Fe, A=ethylene, R.sup.3 and R.sup.4 are hydrogen and R.sup.5 to R.sup.8 are chloro.
10 more elements
A process for imparting a bleaching catalyst or oxidation catalyst function into detergents or cleaning products comprising employing in said detergents or cleaning products the compound of the formula 1:
- [L.sub.n M.sub.m X.sub.p ].sup.z Y.sub.q ( 1)
- where
- M is manganese in oxidation state II, III, IV, V and/or VI or cobalt in oxidation state II and/or III or iron in oxidation state II and/or III,
- X is a coordinating or bridging group,
- Y is a counterion in the appropriate stoichiometric amount to compensate an existing charge z, where
- z as the charge of the metal complex can be positive, zero or negative,
- n and m independently of one another are integers from 1 to 4,
- p is an integer from 0 to 15,
- q is z/charge of Y, and
- L is a ligand of the formula (2), (3) or (4) ##STR5## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 independently of one another are hydrogen or a C.sub.1 - to C.sub.10 -alkyl, cycloalkyl or aryl radical,
- R.sup.5, R.sup.6, R.sup.7 and R.sup.8 independently of one another are hydrogen, C.sub.1 - to C.sub.30 -alkyl, cycloalkyl or aryl radicals, C.sub.1 - to C.sub.4 -alkoxy groups, substituted or unsubstituted amino or ammonium groups, halogen atoms, sulfo groups, carboxyl groups or groups of the formula --(CH.sub.2).sub.r, --COOH, --(CH.sub.2).sub.r --SO.sub.3 H, --(CH.sub.2).sub.r --PO.sub.3 H.sub.2 or --(CH.sub.2).sub.I --OH where r is an integer from 0 to 4 and I is an integer from 1 to 4 and where said acid groups can also be present in salt form, and
- A is a C.sub.2 - to C.sub.4 -alkylene radical, a C.sub.5 - to C.sub.10 -cycloalkylone radical or an arylene radical,
- with the exception of compounds of the formula 1 if L is a ligand of the formula 4, M=Co, Fe, A=ethylene, R.sup.3 and R.sup.4 are hydrogen and R.sup.5 to R.sup.8 are chloro.
10 more elements
The process for bleaching textiles or paper comprising treating said textiles or paper with a bleach containing the compound having the formula 1:
- [L.sub.n M.sub.m X.sub.p ].sup.z Y.sub.q ( 1)
- where
- M is manganese in oxidation state II, III, IV, V and/or VI or cobalt in oxidation state II and/or III or iron in oxidation state II and/or III,
- X is a coordinating or bridging group,
- Y is a counterion in the appropriate stoichiometric amount to compensate an existing charge z, where
- z as the charge of the metal complex can be positive, zero or negative,
- n and m independently of one another are integers from 1 to 4,
- p is an integer from 0 to 15,
- q is z/charge of Y, and
- L is a ligand of the formula (2), (3) or (4) ##STR6## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 independently of one another are hydrogen or a C.sub.1 - to C.sub.10 -alkyl, cycloalkyl or aryl radical,
- R.sup.5, R.sup.6, R.sup.7 and R.sup.8 independently of one another are hydrogen, C.sub.1 - to C.sub.30 -alkyl, cycloalkyl or aryl radicals, C.sub.1 - to C.sub.4 -alkoxy groups, substituted or unsubstituted amino or ammonium groups, halogen atoms, sulfo groups, carboxyl groups or groups of the formula --(CH.sub.2).sub.r --COOH, --(CH.sub.2).sub.r --SO.sub.3 H, --(CH.sub.2).sub.r --PO.sub.3 H.sub.2 or --(CH.sub.2).sub.I --OH where r is an integer from 0 to 4 and I is an integer from 1 to 4 and where said acid groups can also be present in salt form, and
- A is a C.sub.2 - to C.sub.4 -alkylene radical, a C.sub.5 - to C.sub.10 -cycloalkylene radical or an arylene radical,
- with the exception of compounds of the formula 1 if L is a ligand of the formula 4, M.dbd.Co, Fe, A=ethylene, R.sup.3 and R.sup.4 are hydrogen and R.sup.5 to R.sup.8 are chloro.
10 more elements
Dependencies are inferred from the claim text.