Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
  • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
  • C07F9/02—Phosphorus compounds
  • C07F9/28—Phosphorus compounds with one or more P—C bonds
  • C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
• • C—CHEMISTRY; METALLURGY
  • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
  • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
  • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
  • C02F5/12—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K31/00—Medicinal preparations containing organic active ingredients
  • A61K31/66—Phosphorus compounds
  • A61K31/662—Phosphorus acids or esters thereof having P—C bonds, e.g. foscarnet, trichlorfon
• • C—CHEMISTRY; METALLURGY
  • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
  • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
  • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
  • C02F5/14—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
  • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
  • C07F9/02—Phosphorus compounds
  • C07F9/28—Phosphorus compounds with one or more P—C bonds
  • C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
  • C07F9/3804—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)] not used, see subgroups
  • C07F9/3808—Acyclic saturated acids which can have further substituents on alkyl
• • C—CHEMISTRY; METALLURGY
  • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
  • C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
• • C—CHEMISTRY; METALLURGY
  • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
  • C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
  • C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry

Definitions

• This invention relates to a defined class of novel phosphonate compounds and to possible applications for such phosphonate compounds.
• the compounds in accordance with the invention actually combine two moieties, to wit: a reactive phosphonate moiety and a moiety of a class of specific reaction partners as defined in more detail below.
• the novel compounds can be considered for beneficial use in multiple industrial applications such as dispersion, water-treatment, scale inhibition, sequestration, corrosion inhibition, pharmaceuticals and pharmaceutical intermediates, textiles, detergents, secondary oil recovery, paper industry, sugar and beer industry, fertilizers and micronutrients and metal treatment.
• Phosphonate compounds generally have been known for a long time and have been/are used in multiple commercial applications. As one thus can expect, the prior art is well established and fairly crowded.
• US 4,260,738 describes starch ether derivatives containing aminophosphonic acid groups, namely either one or two anionic methylene phosphonic acid groups, bound to a cationic nitrogen.
• the starch derivative is said to exhibit cationic or anionic properties which (properties) may be increased by introducing selected groups together with the aminophosphonic acid reagent.
• the starch derivatives can be used beneficially as pigment retention aids in paper making processes.
• US 4,297,299 pertains to novel N- (alkyl) -N- (2-haloethyl) -aminomethylene phosphonic acids exhibiting desirable pigment retention properties upon use in paper making processes.
• EP-A 0 772 084 discloses a bleach fixing solution comprising a metal complex of a polyamino monosuccinic acid, where the polyamino monosuccinic acid can be a N-phosphonomethyl-N' -monosuccinic acid.
• phosphonate compounds by combining selected phosphonate moieties with selected reaction partners to thus yield phosphonate compounds tailored for providing selected application benefits.
• Phosphonate compounds have now been discovered containing a reactive phosphonate moiety and a reaction partner selected from a number of individual species.
• the invention herein relates to novel phosphonate compounds of the general formula :
• B is a phosphonate containing moiety having the formula:
• X is selected from C2-C50 linear, branched, cyclic or aromatic hydrocarbon chain, - -
• a C1-C12 linear, branched, cyclic, or aromatic group (which chain and/or which group can be) optionally substituted by OH, COOH, F, OR' and SR' moieties, wherein R' is a C1-C12 linear, branched, cyclic or aromatic hydrocarbon chain; and [A-O] x -A wherein A is a C 2 -C 9 linear, branched, cyclic or aromatic hydrocarbon chain and x is an integer from 1 to 200;
• Z is a Ci-C ⁇ alkylene chain
• M is selected from H and C1-C20 linear, branched, cyclic or aromatic hydrocarbon chains
• W is selected from H, ZPO 3 M 2 and [V-N(K)J n K, wherein V is selected from: a C 2 -C 5 O linear, branched, cyclic or aromatic hydrocarbon chain, optionally substituted by Ci-Ci 2 linear, branched, cyclic or aromatic groups, (which chains and/or groups are) optionally substituted by OH, COOH, F, OR' or SR' moieties wherein R' is a Ci-Ci 2 linear, branched, cyclic or aromatic hydrocarbon chain; and from [A-O] x -A wherein A is a C 2 -Cg linear, branched, cyclic or aromatic hydrocarbon chain and x is an integer from 1 to 200; and
• K is ZPO 3 M 2 or H and n is an integer from 0 to 200;
• T is a moiety selected from the group of:
• U is selected from linear, branched, cyclic or aromatic C1-C12 hydrocarbon chains, H and X-N(W) (ZPO 3 M 2 );
• X 2 is independently selected from H, linear, branched, cyclic or aromatic Ci-C 2 O hydrocarbon chains, optionally substituted by Ci-Ci 2 linear, branched, cyclic or aromatic hydrocarbon groups, optionally substituted by OH, COOH, R'O, R' S and/or NH 2 moieties;
• n' , n' ' and n' ' ' are independently selected from integers of from 1 to 100;
• D and R'' are independently selected from C1-C50 linear, branched, cyclic or aromatic hydrocarbon chains, optionally substituted by a Ci-Ci 2 linear, branched, cyclic, or aromatic group, (which chain and/or which group can be) optionally substituted by OH, COOH, F, OR' and SR' moie
• novel phosphonate compounds of this invention actually embody and can, in one execution, be prepared by reacting a phosphonate, corresponding to the general formula Y-
• X-N(W) ZPO3M2
• a reaction partner selected from the group of moieties numbered (i) - (XIi) .
• Y in the phosphonate compound represents a substituent the conjugated acid of which has a pKa equal to or smaller than 4.0, preferably equal to or smaller than 1.0.
• the pKa value is a well known variable which can be expressed as follows :
• Ka represents the thermodynamic equilibrium acidity constant
• Y can preferably be selected from Cl, Br, I, HSO 4 , NO 3 , CH 3 SO 3 and p-toluene sulfonate and mixtures thereof.
• the C x -Cy linear or branched hydrocarbon chain is preferably linear or branched alkane-diyl with a respective chain length.
• Cyclic hydrocarbon chain is preferably C 3 -Cio-cycloalkane-diyl .
• Aromatic hydrocarbon chain is preferably C6-Ci2-arene-diyl .
• the foregoing hydrocarbon chains are substituted, it is preferably with linear or branched alkyl of a respective chain length, C 3 -Cio-cycloalkyl, or C6-C12- aryl . All these groups can be further substituted with the groups listed with the respective symbols.
• a cyclic moiety is more preferred a cyclohexane moiety, in case of cyclohexane- diyl in particular a cyclohexane-1, 4-diyl moiety.
• An aromatic moiety is preferably phenylene or phenyl, as the case may be, for phenylene 1, 4-phenylene is particularly preferred.
• the individual moieties in the phosphonate B reaction partner can be beneficially selected from species as follows:
• X 2 can be substituted by any one or more of the following moieties: SR', OR', COOH, NH 2 and OH.
• moieties SR', OR', COOH, NH 2 and OH.
• Examples of the like preferred ⁇ -amino acids are glutamic acid, methionine, lysine and threonine.
• D in (XIi) can be selected independently.
• the individual moieties in the T reaction partner can beneficially be selected from the identically termed moieties, inclusive of preferred and most preferred species, recited for the phosphonate B reaction partner. This applies, in particular, to all the structural elements in the partner T formula (e) .
• Ci-Cs as preferred -X-N(ZPO 3 M 2 ) wherein X is C 2 -Ci 2 and Z is Ci-C 3
• the amine moiety in (Vi) can be incorporated into the hydrocarbon chain, like linear polyethylene imine, or can be attached, via a single bond, to the alkyl chain, like in polyallylamine, or can be a mixture of both configurations, like in branched polyethylene imine.
• oxygen, identified as OH can be part of the hydrocarbon chain or can be attached to that chain through a single bond or can be a mixture of both configurations .
• reaction partner T can comprise and can be represented by normal and branched species.
• butyl can represent any one of known isomers and as such can stand for: n-butyl; iso-butyl; sec-butyl; and t- butyl.
• partner T containing optical carbon atoms refers to any one of the isomers i.e. D species, L species, D, L species and combinations thereof.
• preferred species of reaction partner T can be selected from the group of: (i) ; (ii) ; (IVi); (Vi) ; (Xi) ; and (XIi) . Examples of the like preferred species are represented by:
• (Xi) methylamine; ethylamine; propylamine; butylamine; hexylamine; heptylamine; octylamine; nonylamine; decylamine; dodecylamine; aniline; and C12-C22 fatty amines including linear and branched species; and
• preferred species of reaction partner T can be selected from the group of: (iii); (VIi); (Villi); and (IXi). Examples of the like preferred species are represented by:
• X in group T is not CH(COOH)-CH 2 and in the compounds (ii) CX 2 2 is not -CH(CH 2 -COOH)-.
• the group (i) is a group
• X' is CH 2 -CH 2 -, -CH(CHs)-CH 2 -, - (CH 2 ) 3 -, - (CH 2 ) 5 -, or - (CH 2 ) n", and
• the group (ii) is a group
• -C(CX 2' ) 2 - is -CH 2 -, -CH(CH 3 )-, -CH (CH (CH 3 ) 2 ) -, -CH (CH 2 -CH (CH 3 ) 2 ) -, -CH(CH(CH 3 ) (C 2 H 5 ))-, -CH(CH 2 -CH 2 -S-CH 3 )-, -CH(CH 2 OH)-,
• the phosphonate compounds herein can be prepared by means of conventional measures routinely available in the relevant domain.
• the reactive phosphonate and a reaction partner can be combined, in an aqueous medium, by adding stoichiometric proportions of both species, thereby taking into - -
• a process for the manufacture of the phosphonate compounds of the invention comprises reacting a phosphonate compound having the general formula Y-X-N (W) (ZPO 3 M 2 ) wherein Y is a substituent the conjugated acid of which has a pKa equal to or smaller than 4, preferably equal to or smaller than 1, with a reactant selected from the group of i - XIi, in aqueous medium, having a pH of 7 or higher, frequently a pH in the range of from 8-14, at a temperature generally above 0 0 C, usually in the range of from 10 0 C to 200 0 C, preferably 50 0 C to 140 0 C.
• reaction temperatures can be used subject to adequate pressure containment e.g. by means of standard pressure vessels.
• the pH value is measured in the reaction medium at the reaction temperature.
• the manufacturing method is conducted in the presence of an alkali metal iodide such that the molar ratio of the T moiety to the iodide is in the range of from 5000 : 1 to 1 : 1.
• the iodine ions act as a catalyst to thus facilitate the reaction of the B moiety with the reaction partner T.
• the presence of a minimal level of the iodide ions leads to the in situ formation of a more reactive, as compared to e.g. the corresponding chloro structure, derivative.
• Recovery of the phosphonate is preferably effected by methods known per se to someone skilled in the art.
• the free phosphonic acids can be precipitated by acidification of the reaction mixture, e.g. with concentrated hydrochloric acid, filtered off, washed and dried. Further purification can, e.g. be effected by recrystallisation, or chromatographic methods.
• the phosphonates T-B of the invention are preferably used in the chemical and pharmaceutical industry, the textile industry, oil industry, paper industry, sugar industry, beer industry, the agrochemical industry and in agriculture. - 5 -
• Preferred uses are as dispersants, water treatment agents, scale inhibitors, pharmaceuticals and pharmaceutical intermediates, detergents, secondary oil recovery agents, fertilizers and micronutrients (for plants) .

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• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Life Sciences & Earth Sciences (AREA)
• Health & Medical Sciences (AREA)
• Water Supply & Treatment (AREA)
• Chemical Kinetics & Catalysis (AREA)
• General Chemical & Material Sciences (AREA)
• Hydrology & Water Resources (AREA)
• Engineering & Computer Science (AREA)
• Environmental & Geological Engineering (AREA)
• General Health & Medical Sciences (AREA)
• Molecular Biology (AREA)
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• Veterinary Medicine (AREA)
• Detergent Compositions (AREA)
• Fertilizers (AREA)
• Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
• Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
• Agricultural Chemicals And Associated Chemicals (AREA)

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• 2006
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