Classifications

• • 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
  • 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
• • 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

Definitions

• novel reactive phosphonate compounds having the formula Y-X-N (W) (ZPO3M2) wherein the individual structural moieties have a specifically defined meaning as set forth hereinafter.
• the "reactive" moiety, Y is preferably represented by Cl, I, Br, HSO 4 , NO3, CH3SO3 and p-toluene sulfonic acid, and mixtures thereof, whereas the hydrocarbon link, X, between the nitrogen and the reactive moiety is preferably a hydrocarbon chain having from 3 to 30 carbon atoms or [A-O] x -A wherein A is a C2-C6 hydrocarbon chain and x is an integer of from 1-100.
• novel phosphonates herein are particularly beneficial for "tailor” synthesizing novel phosphonate compounds for example for use in a multitude of 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 broadly are well-known and have been used in multiple applications. The prior art is thus crowded and diverse.
• EP 0 401 833 discloses aminophosphonate-containing polymers and their use as dispersants for concentrated aqueous particulate slurries and as corrosion and scale inhibitors.
• the phosphonates contain ethylenically unsaturated comonomers and can be prepared by reacting the polymeric reactant with a phosphonate halohydrin or with a phosphonate epoxide.
• US 5,879,445 describes the use of compounds containing at least one phosphonic aminoalkylene group and at least one polyalkoxylated chain for fluidizing an aqueous suspension of - -
• US 4,330,487 describes a process of preparing N, N' -disubstituted methylene phosphonic acids by reacting ⁇ , ⁇ -alkylene diamines with formaldehyde and phosphorous acid in aqueous medium in accordance with the Mannich reaction at a pH of generally less than 1.
• Zaitsev V.N. et al . Russian Chemical Bulletin, (1999), 48(12), 2315-2320, divulges modified silicas containing aminophosphonic acids covalently bonded onto the silica surface.
• 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.
• US 4,707,306 discloses alpha-aminomethylene phosphonate betaines and polymers prepared therewith.
• J. Mortier et al disclose the synthesis of N-alkyl/aryl-alpha/beta-aminoalkylphosphonic acids from organodichloroboranes and alpha/beta-azidoalkylphosphonates via polyborophosphonates .
• Another object of this invention aims at generating a range of novel reactive phosphonates suitable for "tailor" synthesizing phosphonate compounds, with high selectivity, which compounds can be used beneficially in established and additional, to current usages, applications.
• Phosphonic acid compounds have now been discovered containing, in essence, a reactive moiety Y attached, by means of a hydrocarbon link, X, to an amino phosphonic acid moiety.
• this invention concerns:
• Y is selected from: substituents the conjugated acid of which have a pKa equal to or smaller than 4.0; - -
• X is selected from C3-C50 linear, branched, cyclic or aromatic hydrocarbon chain, optionally substituted by 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;
• chloropropyl imino mono methylene phosphonic acid.
• the pKa is equal to or smaller than 1.0 and X is a hydrocarbon having from 3 to 30 carbon atoms or [A- O] x -A wherein A is a C2-C6 hydrocarbon chain and x is of from 1- 100 and W is ZPO 3 M 2 .
• the pKa value is a well known variable which can be expressed as follows :
• Ka represents the thermodynamic equilibrium acidity constant.
• pKa values of all acid substances are known from the literature or can, if this were needed, be determined conveniently. Values are listed, e. g., in the Handbook of Chemistry and Physics.
• 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 a 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.
• phenylene or phenyl as the case may be, for phenylene 1, 4-phenylene is particularly preferred.
• the individual radicals in the phosphonate compound can, in a preferred manner, be beneficially selected from species as follows :
• a phosphonate compound having an OH substituent attached to the second, starting from Y, carbon atom of X, in the event Y stands for halogen is not a phosphonate in the meaning of the invention.
• a reactive phosphonate in the event Y stands for halogen, shall not carry an OH substituent attached to any one of the second, third or fourth, starting from Y, carbon atom of X.
• X is a C 3 -C 3 O- hydrocarbon chain or [A-O] x -A with the proviso that in the case of a C3_hydrocarbon chain (W) is ZPO3M2.
• X is C3-C30 or [A-O] x -A and (W) is ZPO 3 M 2 .
• X is [A- O] x -A.
• the preparation of the novel phosphonate compounds herein usually can require a sequence of individually well known measures routinely available in the domain of chemical synthesis.
• the phosphonate compound can be prepared by phosphonating a chloroalkyl amine hydrochloride in a conventional manner by reaction, in aqueous medium, with phosphorous acid and formaldehyde, in acid medium, at a temperature generally in the range of from 50 0 C to 140 0 C, preferably of from 90 0 C to 120 0 C.
• the reaction partners are used in molar proportions consonant with the moiety ratios of the phosphonate product to be synthesized.
• a reactive phosphonate in another approach, can be synthesized by reacting, in aqueous medium having a pH of 6 or smaller, the corresponding alcohol e.g. HO-X-N (ZPO 3 M 2 ) 2 with a suitable precursor for Y, e.g. hydrobromic, hydrochloric and/or hydroiodic acid, in obviously acid medium at a temperature in the range of from 100 0 C to 200 0 C, preferably 110 0 C to 150 0 C.
• a reactive phosphonate compound can also be prepared, as illustrated below, by a sequence of reactions involving, for example, the conversion of acrylonitrile :
• the acrylonitrile starting material can be substituted by other starting materials capable of yielding a reactive phosphonate.
• a reactive phosphonate can be routinely synthesized starting from dichloro ethane and and alkali cyanide.
• this invention contemplates a process for the manufacture of the phosphonate compound of Claim 1, wherein Y is I or Br, by ion-exchange of the chloro- phosphonate compound with an aqueous solution containing an inorganic, preferably an alkali metal, iodide or bromide salt at a temperature of from 10 0 C to 100 0 C wherein the ion exchange reaction medium has an acid pH equal to 6 or smaller, preferably in the range of from 1 to 4.
• the pH measurements in the manufacturing arrangements are determined in the reaction medium at the reaction temperature.
• reaction products recovery of the reaction products is preferably carried out in a manner known per se to those skilled in the art.
• the free phosphonic acids can be precipitated, e.g. by - -
• reaction mixture e.g. with concentrated hydrochloric acid, or by addition of a suitable solvent, e. g. ethanol, filtered of, washed and dried. Further purification can, e. g., be effected by recrystallisation or chromatographic methods .
• the phosphonates of the invention are preferably used as reactive intermediates in the chemical and pharmaceutical industry, the textile industry, the oil industry, paper industry, sugar industry, beer industry, the agrochemical industry and in agriculture.
• Preferred uses are as intermediates for the production of dispersants, water treatment agents, scale inhibitors, pharmaceuticals, detergents, secondary oil recovery agents, fertilisers and micronutrients (for plants) .
• inventive phosphonates are illustrated by means of individual sample preparations, Examples I-VI, recited hereinafter.
• the testing data illustrate and clarify significant aspects of the claimed technology.
• I shows the formation of the chloropropyl derivative, in a 73.5 % yield, starting from the corresponding chloroamine.
• the yields are, considering the non-optimized reaction conditions, in the range of from 60 % to 70 % which is high keeping in mind that the non-reacted part (by-product) is predominantly represented by the starting alcohol which can, in turn, be recycled.
• V: and VI pertain to the formation of chloro or bromo derivatives starting from the corresponding hydroxyl alkyl ether amine.
• the products were formed in yields of 68 % to 69 % whereby the unreacted starting material constitutes the majority of the by-products .

Landscapes

• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Life Sciences & Earth Sciences (AREA)
• Environmental & Geological Engineering (AREA)
• Hydrology & Water Resources (AREA)
• Engineering & Computer Science (AREA)
• General Chemical & Material Sciences (AREA)
• Water Supply & Treatment (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Health & Medical Sciences (AREA)
• Biochemistry (AREA)
• General Health & Medical Sciences (AREA)
• Molecular Biology (AREA)

Priority Applications (7)

Applications Claiming Priority (2)

Publications (2)

Family

ID=37959907

Family Applications (1)

Country Status (9)

Families Citing this family (5)

Citations (8)

Family Cites Families (11)

• 2006
  • 2006-12-11 EP EP06025515A patent/EP1932849A1/en not_active Withdrawn
• 2007
  • 2007-12-11 MX MX2009006164A patent/MX314942B/es active IP Right Grant
  • 2007-12-11 BR BRPI0720094-3A2A patent/BRPI0720094A2/pt not_active IP Right Cessation
  • 2007-12-11 EP EP12161861A patent/EP2484684A1/en not_active Withdrawn
  • 2007-12-11 CN CNA2007800459025A patent/CN101589054A/zh active Pending
  • 2007-12-11 JP JP2009540749A patent/JP2010512371A/ja active Pending
  • 2007-12-11 EP EP07857377A patent/EP2125843B1/en not_active Not-in-force
  • 2007-12-11 CA CA002671316A patent/CA2671316A1/en not_active Abandoned
  • 2007-12-11 RU RU2009125470/04A patent/RU2487879C2/ru not_active IP Right Cessation
  • 2007-12-11 WO PCT/EP2007/063685 patent/WO2008071691A2/en not_active Ceased
  • 2007-12-11 US US12/518,694 patent/US20100063316A1/en not_active Abandoned
• 2012
  • 2012-04-12 RU RU2012114235/04A patent/RU2012114235A/ru not_active Application Discontinuation
• 2014
  • 2014-01-09 JP JP2014002216A patent/JP2014097998A/ja not_active Abandoned

Patent Citations (9)

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events