ES429542A1 - Procedimiento para la obtencion de acidos difosfonicos. - Google Patents

Procedimiento para la obtencion de acidos difosfonicos.

Info

Publication number
ES429542A1
ES429542A1 ES429542A ES429542A ES429542A1 ES 429542 A1 ES429542 A1 ES 429542A1 ES 429542 A ES429542 A ES 429542A ES 429542 A ES429542 A ES 429542A ES 429542 A1 ES429542 A1 ES 429542A1
Authority
ES
Spain
Prior art keywords
angle
azacycloalkane
diphosphonic acids
parallel
percompounds
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES429542A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Publication of ES429542A1 publication Critical patent/ES429542A1/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • A61K31/675—Phosphorus compounds having nitrogen as a ring hetero atom, e.g. pyridoxal phosphate
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/55—Phosphorus compounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q11/00—Preparations for care of the teeth, of the oral cavity or of dentures; Dentifrices, e.g. toothpastes; Mouth rinses
    • 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
    • C07F9/3839—Polyphosphonic acids
    • C07F9/3873—Polyphosphonic acids containing nitrogen substituent, e.g. N.....H or N-hydrocarbon group which can be substituted by halogen or nitro(so), N.....O, N.....S, N.....C(=X)- (X =O, S), N.....N, N...C(=X)...N (X =O, S)
    • 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
    • C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
    • C07F9/553—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having one nitrogen atom as the only ring hetero atom
    • C07F9/5532—Seven-(or more) membered rings
    • 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
    • C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
    • C07F9/553—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having one nitrogen atom as the only ring hetero atom
    • C07F9/572—Five-membered rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Molecular Biology (AREA)
  • Biochemistry (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Water Supply & Treatment (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Birds (AREA)
  • Cosmetics (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Detergent Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
ES429542A 1973-08-27 1974-08-26 Procedimiento para la obtencion de acidos difosfonicos. Expired ES429542A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2343196A DE2343196C3 (de) 1973-08-27 1973-08-27 Aiacycloalkan-2^-diphosphonsäuren oder deren wasserlösliche Salze

Publications (1)

Publication Number Publication Date
ES429542A1 true ES429542A1 (es) 1976-08-16

Family

ID=5890837

Family Applications (1)

Application Number Title Priority Date Filing Date
ES429542A Expired ES429542A1 (es) 1973-08-27 1974-08-26 Procedimiento para la obtencion de acidos difosfonicos.

Country Status (16)

Country Link
US (1) US3941772A (es)
JP (1) JPS5710878B2 (es)
AT (1) AT326687B (es)
BE (1) BE819189A (es)
BR (1) BR7407080D0 (es)
CA (1) CA1029020A (es)
CH (2) CH613979A5 (es)
DE (1) DE2343196C3 (es)
DK (1) DK157598C (es)
ES (1) ES429542A1 (es)
FR (1) FR2245372B1 (es)
GB (1) GB1451865A (es)
IE (1) IE39823B1 (es)
IT (1) IT1020069B (es)
LU (1) LU70795A1 (es)
NL (1) NL179908C (es)

Families Citing this family (90)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2456808A1 (de) * 1974-11-30 1976-08-12 Henkel & Cie Gmbh Verfahren zum stabilisieren von calcium-hydrogenphosphat-anhydrid gegen die umsetzung mit fluorionen
DE2456666A1 (de) * 1974-11-30 1976-08-12 Henkel & Cie Gmbh Verfahren zum stabilisieren von calcium-hydrogenphosphat-dihydrat gegen hydrolyse
US4118472A (en) * 1976-08-16 1978-10-03 Colgate-Palmolive Company Antibacterial oral composition
US4118473A (en) * 1976-08-16 1978-10-03 Colgate-Palmolive Company Antibacterial oral composition
US4118476A (en) * 1976-08-16 1978-10-03 Colgate-Palmolive Company Antibacterial oral composition
SE431285B (sv) * 1976-08-16 1984-01-30 Colgate Palmolive Co Munvardskomposition innehallande en fosfonforening, for minskning av missfergning bildad av ett ingaende kvevehaltigt antibakteriellt plaquehemmande medel
US4118475A (en) * 1976-08-16 1978-10-03 Colgate-Palmolive Company Antibacterial oral composition
US4118474A (en) * 1976-08-16 1978-10-03 Colgate-Palmolive Company Antibacterial oral composition
NL7711307A (nl) * 1976-10-19 1978-04-21 Hoechst Ag Fosforcarbonzuurverbindingen en hun bereiding.
DE2745083C2 (de) * 1977-10-07 1985-05-02 Henkel KGaA, 4000 Düsseldorf Hydroxydiphosphonsäuren und Verfahren zu deren Herstellung
FR2411810A1 (fr) * 1977-12-14 1979-07-13 Protex Manuf Prod Chimique Compositions additives pour melanges a base de platre de gypse ou anhydrite
DE3027040A1 (de) * 1980-07-17 1982-02-25 Hoechst Ag, 6000 Frankfurt Dimethylphosphinyl-alkanphosphonsaeuren, ein verfahren zu ihrer herstellung und ihre verwendung als gipsabbindeverzoegerer
US4466835A (en) * 1983-04-18 1984-08-21 The Dow Chemical Company Cement compositions containing set retarders
US4466836A (en) * 1983-04-28 1984-08-21 The Dow Chemical Company Set retarding compounds for use in cement slurries
US4468252A (en) * 1983-06-01 1984-08-28 The Dow Chemical Company Set retarding additives for cement from aminomethylenephosphonic acid derivatives
US4569838A (en) * 1983-12-23 1986-02-11 Colgate-Palmolive Company Dentifrice
GB2157279A (en) * 1984-04-12 1985-10-23 Dow Chemical Co Well treating composition
US4606776A (en) * 1984-09-28 1986-08-19 Salis International, Inc. Air brush cleaning unit
DE3439094A1 (de) * 1984-10-25 1986-05-07 Henkel KGaA, 4000 Düsseldorf Mund- und zahnpflegemittel
US4575456A (en) * 1984-11-30 1986-03-11 Colgate-Palmolive Company Gel dentifrice of desirable consistency
IL77243A (en) * 1984-12-21 1996-11-14 Procter & Gamble Pharmaceutical compositions containing geminal diphosphonic acid compounds and certain such novel compounds
US4687768A (en) * 1984-12-21 1987-08-18 The Procter & Gamble Company Certain hexahydroindan-2,2-diphosphonic acids useful in treating diseases associated with abnormal calcium and phosphate metabolism
US5104863A (en) * 1984-12-21 1992-04-14 The Procter & Gamble Company Certain bicycloalkane and azabicycloalkane-1,1-diphosphonic acid derivatives useful for treating diseases associated with abnormal calcium and phosphate metabolism
JPS62185092A (ja) * 1986-02-07 1987-08-13 Teijin Ltd 新規ホスホン酸誘導体および除草剤
DE3627469A1 (de) * 1986-08-13 1988-02-25 Henkel Kgaa Verfahren zur ueberfuehrung von organophosphonsaeuren in die alkali- oder ammoniumsalze
US4964917A (en) * 1986-08-26 1990-10-23 Sandoz Ltd. Methods and compositions for reclaiming concrete
US4917837A (en) * 1986-09-08 1990-04-17 Clarke Jr John L Gypsum-based insecticide pellets and method of manufacture
US4868164A (en) * 1986-12-19 1989-09-19 Norwich Eaton Pharmaceuticals, Inc. Octahydro-pyridine diphosphonate compounds, pharmaceutical compositions, and methods for treating abnormal calcium and phosphate metabolism
IL86951A (en) * 1987-07-06 1996-07-23 Procter & Gamble Pharma Methylene phosphonoalkylphosphinates and pharmaceutical preparations containing them
US4963681A (en) * 1987-07-06 1990-10-16 Norwich Eaton Pharmaceuticals, Inc. Process for synthesis of aminomethylene phosphonoalkylphosphinates
US5203919A (en) * 1988-01-14 1993-04-20 Sandoz Ltd. Method and compositions for stabilizing concrete residues
DE3808074A1 (de) * 1988-03-11 1989-09-21 Henkel Kgaa Verfahren zur herstellung von azacycloalkan-2,2-diphosphonsaeuren
DE3811763C2 (de) * 1988-04-08 1993-10-07 Jungbunzlauer Ladenburg Gmbh Wäßrige Dispersion von Gips in Form von Calciumsulfatdihydrat und deren Verwendung als Füllstoff und Streichpigment bei der Papier- und Kartonherstellung
DE3841775A1 (de) * 1988-12-12 1990-06-13 Henkel Kgaa Zahnpaste
DE3930130A1 (de) * 1989-09-09 1991-03-21 Boehringer Mannheim Gmbh Neue amidingruppen-haltige diphosphonsaeurederivate, verfahren zu deren herstellung und diese verbindungen enthaltende arzneimittel
DE4007431A1 (de) * 1990-03-09 1991-09-12 Henkel Kgaa Den zahnschmelz schuetzende mund- und zahnpflegemittel
US5096699A (en) * 1990-12-20 1992-03-17 Colgate-Palmolive Company Anticalculus oral compositions
US6214320B1 (en) * 1990-10-09 2001-04-10 Colgate-Palmolive Company Oral compositions containing anticalculus and antiplaque agents
US5158763A (en) * 1990-10-09 1992-10-27 Colgate-Palmolive Company Non-staining anti-bacterial oral composition
DE4114586A1 (de) * 1991-05-04 1992-11-05 Boehringer Mannheim Gmbh Arzneimittel enthaltend azacyclodiphosphonsaeurederivate, neue azacyclodiphosphonsaeurederivate sowie verfahren zu deren herstellung
US5240697A (en) * 1991-10-17 1993-08-31 Colgate-Palmolive Company Desensitizing anti-tartar dentifrice
US5320829A (en) * 1991-12-10 1994-06-14 The Dow Chemical Company Oral compositions for inhibiting plaque formation
US5318772A (en) * 1991-12-10 1994-06-07 The Dow Chemical Company Oral compositions for inhibiting calculus formation
DK0676948T3 (da) * 1992-12-16 2000-09-04 Colgate Palmolive Co Oral anti-plaque-, anti-gingivitis-, anti-caries-sammensætning
US5368845A (en) * 1993-01-07 1994-11-29 Colgate Palmolive Company Oral composition
US5451401A (en) * 1993-09-29 1995-09-19 The Procter & Gamble Company Diphosphonic acid esters as tartar control agents
GB9325113D0 (en) * 1993-12-08 1994-02-09 Albright & Wilson Substituted phosphonic acids
US5653797A (en) * 1996-04-26 1997-08-05 National Gypsum Company Ready mixed setting-type joint compound and method of making same
US5753633A (en) * 1997-04-11 1998-05-19 Colgate-Palmolive Company Method of inhibiting bone resorption
US6677391B1 (en) 1999-12-08 2004-01-13 The Procter & Gamble Company Tartar control denture adhesive compositions
US6905672B2 (en) * 1999-12-08 2005-06-14 The Procter & Gamble Company Compositions and methods to inhibit tartar and microbes using denture adhesive compositions with colorants
US6475498B1 (en) 1999-12-08 2002-11-05 The Procter & Gamble Company Method to inhibit tartar and stain using denture adhesive compositions
US6475497B1 (en) 1999-12-08 2002-11-05 The Procter & Gamble Company Tartar control denture adhesive compositions
US6409824B1 (en) 2000-04-25 2002-06-25 United States Gypsum Company Gypsum compositions with enhanced resistance to permanent deformation
US20050129643A1 (en) * 2003-06-20 2005-06-16 Lepilleur Carole A. Hydrocolloids and process therefor
US20050118130A1 (en) * 2003-06-20 2005-06-02 Ferdinand Utz Hydrocolloids and process therefor
US20050137110A1 (en) 2003-12-17 2005-06-23 Scott Douglas C. Compositions and methods of delivering bleaching agents to teeth
US8450294B2 (en) * 2004-12-16 2013-05-28 Lubrizol Advanced Materials, Inc. Shampoo compositions
GB0505758D0 (en) * 2005-03-21 2005-04-27 Glaxo Group Ltd Novel compositions
DE102011082891A1 (de) 2011-09-16 2013-03-21 Wacker Chemie Ag Konservierungsmittel enthaltend Glykolipide
EP2620137B1 (de) 2012-01-30 2017-11-15 Symrise AG Zubereitungen
WO2013171018A2 (de) 2012-05-16 2013-11-21 Symrise Ag Mischungen mit verbesserter kühlwirkung
EP2725026B1 (de) 2012-10-29 2017-09-06 Symrise AG Heterozyklische neoflavonoide mit geschmacksmaskierenden eigenschaften
JP2016508122A (ja) 2012-12-12 2016-03-17 シムライズ アーゲー 調製物
DE202012013357U1 (de) 2012-12-12 2016-07-29 Symrise Ag Zubereitungen
EP2981179B1 (de) 2013-02-27 2020-03-04 Symrise AG Stoffgemische enthaltend vanillin und vanillylvanillat
EP2865372B1 (de) 2013-10-22 2020-07-22 Symrise AG Wirkstoffkapseln
EP2865739B1 (de) 2013-10-28 2018-09-19 Symrise AG Verwendung von Lactonen
ES2738355T3 (es) 2013-10-31 2020-01-22 Symrise Ag Mezcla de sustancias
EP2883459B1 (de) 2013-12-16 2018-04-04 Symrise AG Zubereitungen zur oralen Aufnahme
ES2759797T3 (es) 2014-04-01 2020-05-12 Symrise Ag Mezclas de sustancias
EP2932956B1 (de) 2014-04-14 2017-12-27 Symrise AG Kapseln mit hoher Wirkstoffbeladung
EP2954785B1 (de) 2014-06-13 2018-06-06 Symrise AG Neue Stoffmischung zur Verbesserung des Süssgeschmacks enthaltend Rubusosid oder alpha-Glycosylrubusosid
EP2960235B1 (de) 2014-06-25 2018-09-26 Symrise AG Tetrahydrofuranderivate als riechstoffe
EP3061500B1 (de) 2015-02-25 2019-07-10 Symrise AG Stabile Dispersion
EP3093002B1 (de) 2015-05-15 2018-04-25 Symrise AG Flüssige kühlstoffzubereitungen
US20190289886A1 (en) 2015-12-01 2019-09-26 Symrise Ag Substance mixtures
WO2017140336A1 (de) 2016-02-15 2017-08-24 Symrise Ag Riechstoffmischungen enthaltend ester und ketone
CN109310130B (zh) 2016-05-05 2022-05-17 西姆莱斯股份公司 清凉物质混合物
CN109310595A (zh) 2016-05-14 2019-02-05 西姆莱斯股份公司 含有薄荷醇的香料制剂
BR112019012142B1 (pt) 2016-12-21 2023-10-17 Symrise Ag Mistura de fragrâncias
EP3558508B1 (de) 2016-12-22 2022-03-30 Symrise AG Mikrokapseln
WO2018233841A1 (de) 2017-06-22 2018-12-27 Symrise Ag Geschmacksmodulierende aromastoffe
BR112021013848A2 (pt) 2019-01-15 2021-09-21 Symrise Ag Diéster de 1,3-propanodiol à base de plantas.
EP3689324A1 (de) 2019-02-04 2020-08-05 Symrise AG Neue kühlstoffe und zubereitungen, die diese enthalten
WO2021160701A1 (de) 2020-02-12 2021-08-19 Savanna Ingredients Gmbh Allulose in kristalliner form
EP3864966A1 (de) 2020-02-12 2021-08-18 Savanna Ingredients GmbH Orale zubereitungen mit kristalliner allulose
WO2022105986A1 (de) 2020-11-17 2022-05-27 Symrise Ag Neue kühlstoffe und zubereitungen, die diese enthalten
WO2023117119A1 (de) 2021-12-23 2023-06-29 Symrise Ag Wirkstoffe mit mundwässerndem und kribbelndem/prickelndem effekt und zubereitungen, die diese enthalten
WO2023143741A1 (de) 2022-01-28 2023-08-03 Symrise Ag Neue kühlstoffe und zubereitungen, die diese enthalten

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1958123C3 (de) * 1969-11-19 1978-09-28 Henkel Kgaa, 4000 Duesseldorf Verfahren zur Herstellung von 1 -Aminoalkan-1,1 -diphosphonsäuren oder deren Salzen

Also Published As

Publication number Publication date
CA1029020A (en) 1978-04-04
FR2245372B1 (es) 1978-07-21
IE39823B1 (en) 1979-01-03
BR7407080D0 (pt) 1975-06-24
DE2343196A1 (de) 1975-04-03
CH613979A5 (es) 1979-10-31
ATA689574A (de) 1975-03-15
LU70795A1 (es) 1975-06-11
IT1020069B (it) 1977-12-20
NL179908B (nl) 1986-07-01
BE819189A (fr) 1975-02-26
GB1451865A (en) 1976-10-06
JPS5050366A (es) 1975-05-06
DK157598C (da) 1990-06-11
AT326687B (de) 1975-12-29
DE2343196B2 (de) 1979-05-10
DK411774A (es) 1975-04-28
CH615097A5 (es) 1980-01-15
IE39823L (en) 1975-02-27
NL179908C (nl) 1986-12-01
NL7410369A (nl) 1975-03-03
JPS5710878B2 (es) 1982-03-01
FR2245372A1 (es) 1975-04-25
US3941772A (en) 1976-03-02
DK157598B (da) 1990-01-29
DE2343196C3 (de) 1980-01-10

Similar Documents

Publication Publication Date Title
ES429542A1 (es) Procedimiento para la obtencion de acidos difosfonicos.
ES429540A1 (es) Procedimiento para la obtencion de acidos fosfonicos.
ES397353A1 (es) Un procedimiento para la preparacion de soluciones acuosas de bajo contenido en iones metalicos libres.
ES431054A1 (es) Procedimiento para la preparacion de nuevos n-(metoximetil-furlmetil)-6,7-benzomorfanos y -mofinanos.
ES394370A1 (es) Procedimiento para la preparacion de derivados de la inso-indolina.
GB1438079A (es)
ES421430A1 (es) Procedimiento para producir derivados carbostirilo.
ES411112A1 (es) Procedimiento de preparacion de nuevos derivados del 1'1- difenil-etileno.
GB1415770A (en) Falme-retardant phosphate esters and flame retardant resinous compositions
ES472004A1 (es) Procedimiento para tenir material de fibras de poliacriloni-trilo con colorantes basicos
GB1380675A (en) N-acylaminomethyl-phosphonates and their use as flame-proofing agents
ES389473A1 (es) Un procedimiento de preparacion de derivados de aminocarbo-nil-3 oxazolidinona-2.
GB1396207A (en) Prostaglandin intermediates and the preparation thereof
ES427115A1 (es) Procedimiento de preparacion de nuevos derivados del acido acetico.
ES8301912A1 (es) "procedimiento para la preparacion de derivados de carbaciclina".
ES422922A1 (es) Procedimiento de preparacion de nuevos derivados dienicos de la serie del androstano.
IE41201L (en) Cyclohexanetetrol esters
ES416879A1 (es) Procedimiento para la preparacion de 2n3-hidroxi-3alfa-ami-no-esteroides.
ES463734A1 (es) Un metodo para tratar un sistema acuoso y flocular de este selectivamente los iones de hierro.
ES441775A1 (es) Procedimiento para preparar colorantes antraquinonicos solu-bles en agua.
ES422040A1 (es) Un procedimiento para la extraccion de un metal de una solu-cion acida o alcalina.
ES393785A1 (es) Procedimiento para la preparacion de terpolimeros a base de acetato de vinilo, ester maleico y acido crotonico.
ES370539A1 (es) Un procedimiento para la preparacion de una composicion de-tergente.
ES411737A1 (es) Procedimiento para la preparacion de compuestos heteroci- clicos binucleares.
ES382564A1 (es) Procedimiento para la preparacion de derivados de la dihi- dro-10,11 dibenzo (b,f) azepina.