DE2726196C2 - 2,4,6-Trijod-N,N'-bis(2,3-dihydroxypropyl)-isophthalamide, Verfahren zu deren Herstellung und diese enthaltende radiologische Mittel - Google Patents

2,4,6-Trijod-N,N'-bis(2,3-dihydroxypropyl)-isophthalamide, Verfahren zu deren Herstellung und diese enthaltende radiologische Mittel

Info

Publication number
DE2726196C2
DE2726196C2 DE2726196A DE2726196A DE2726196C2 DE 2726196 C2 DE2726196 C2 DE 2726196C2 DE 2726196 A DE2726196 A DE 2726196A DE 2726196 A DE2726196 A DE 2726196A DE 2726196 C2 DE2726196 C2 DE 2726196C2
Authority
DE
Germany
Prior art keywords
ray contrast
dihydroxypropyl
bis
triiodo
compound
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
DE2726196A
Other languages
German (de)
English (en)
Other versions
DE2726196A1 (de
Inventor
Hugo Oslo Holtermann
Vegard Nordal
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.)
GE Healthcare AS
Original Assignee
Nyegaard & Co Oslo No AS
Nyegaard & Co Oslo AS
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 Nyegaard & Co Oslo No AS, Nyegaard & Co Oslo AS filed Critical Nyegaard & Co Oslo No AS
Publication of DE2726196A1 publication Critical patent/DE2726196A1/de
Application granted granted Critical
Publication of DE2726196C2 publication Critical patent/DE2726196C2/de
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K49/00Preparations for testing in vivo
    • A61K49/04X-ray contrast preparations
    • A61K49/0433X-ray contrast preparations containing an organic halogenated X-ray contrast-enhancing agent
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C237/00Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups
    • C07C237/28Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atom of at least one of the carboxamide groups bound to a carbon atom of a non-condensed six-membered aromatic ring of the carbon skeleton
    • C07C237/32Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atom of at least one of the carboxamide groups bound to a carbon atom of a non-condensed six-membered aromatic ring of the carbon skeleton having the nitrogen atom of the carboxamide group bound to an acyclic carbon atom of a hydrocarbon radical substituted by oxygen atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C237/00Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups
    • C07C237/28Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atom of at least one of the carboxamide groups bound to a carbon atom of a non-condensed six-membered aromatic ring of the carbon skeleton
    • C07C237/46Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atom of at least one of the carboxamide groups bound to a carbon atom of a non-condensed six-membered aromatic ring of the carbon skeleton having carbon atoms of carboxamide groups, amino groups and at least three atoms of bromine or iodine, bound to carbon atoms of the same non-condensed six-membered aromatic ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
DE2726196A 1976-06-11 1977-06-10 2,4,6-Trijod-N,N'-bis(2,3-dihydroxypropyl)-isophthalamide, Verfahren zu deren Herstellung und diese enthaltende radiologische Mittel Expired DE2726196C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB24338/76A GB1548594A (en) 1976-06-11 1976-06-11 Triiodoisophthalic acid amides

Publications (2)

Publication Number Publication Date
DE2726196A1 DE2726196A1 (de) 1977-12-22
DE2726196C2 true DE2726196C2 (de) 1983-12-29

Family

ID=10210154

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2726196A Expired DE2726196C2 (de) 1976-06-11 1977-06-10 2,4,6-Trijod-N,N'-bis(2,3-dihydroxypropyl)-isophthalamide, Verfahren zu deren Herstellung und diese enthaltende radiologische Mittel

Country Status (11)

Country Link
US (1) US4250113A (US20100292554A1-20101118-C00004.png)
JP (1) JPS5321137A (US20100292554A1-20101118-C00004.png)
BE (1) BE855580A (US20100292554A1-20101118-C00004.png)
CH (1) CH630064A5 (US20100292554A1-20101118-C00004.png)
DE (1) DE2726196C2 (US20100292554A1-20101118-C00004.png)
DK (1) DK150504C (US20100292554A1-20101118-C00004.png)
FR (1) FR2354316A1 (US20100292554A1-20101118-C00004.png)
GB (1) GB1548594A (US20100292554A1-20101118-C00004.png)
HK (1) HK56683A (US20100292554A1-20101118-C00004.png)
NL (1) NL175814C (US20100292554A1-20101118-C00004.png)
SE (1) SE441181B (US20100292554A1-20101118-C00004.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19510864A1 (de) * 1995-03-16 1996-09-19 Schering Ag Röntgenkontrastmittel für die Computertomographie und Urographie

Families Citing this family (101)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1132901A (en) * 1978-07-04 1982-10-05 Fridtjov B. Rakli Aniline x-ray agent and buffer whose ph decreases with temperature
DE2909439A1 (de) 1979-03-08 1980-09-18 Schering Ag Neue nichtionische roentgenkontrastmittel
US4256729A (en) * 1979-03-23 1981-03-17 Mallinckrodt, Inc. N,N'-Bis-(2,3-dihydroxypropyl)-2,4,6-triiodo-5-(2-keto-L-gulonamido)isophthalamide and radiological compositions containing same
DE2928417A1 (de) * 1979-07-12 1981-01-29 Schering Ag Trijodierte basen
IT1193211B (it) * 1979-08-09 1988-06-15 Bracco Ind Chimica Spa Derivati dell'acido 2,4,6-triiodo-isoftalico,metodo per la loro preparazione e mezzi di contrasto che li contengono
IT1207226B (it) * 1979-08-09 1989-05-17 Bracco Ind Chimica Spa Derivati dell'acido 2,4,6-triiodo-isoftalico, metodo per la loro preparazione e mezzi di contrasto che li contengono.
DE3001292A1 (de) * 1980-01-11 1981-07-16 Schering Ag Berlin Und Bergkamen, 1000 Berlin Nichtionische 5-c-substituierte 2,4,6-trijod-isophthalsaeure-derivate
DE3038853A1 (de) 1980-10-10 1982-05-27 Schering Ag, 1000 Berlin Und 4619 Bergkamen Neue n-hydroxy-alkylierte dicarbonsaeure-bis-(3,5-dicarbamoyl-2,4,6-trijodanilide), deren herstellung und diese enthaltende roentgenkonstrastmittel (ii)
JPS58102200A (ja) * 1981-12-14 1983-06-17 日本原子力事業株式会社 沈降分離槽
DE3150916A1 (de) * 1981-12-18 1983-06-30 Schering Ag, 1000 Berlin Und 4619 Bergkamen N-hydroxyaethylierte 2,4,6-trijodaminoisiophthalsaeure-bis- trihydroxybutylamide, deren herstellung und diese enthaltende roentgenkontrastmittel"
US4396598A (en) * 1982-01-11 1983-08-02 Mallinckrodt, Inc. Triiodoisophthalamide X-ray contrast agent
DK162045C (da) * 1982-10-01 1992-02-10 Nyegaard & Co As Trijodbenzenderivater, fremgangsmaade til fremstilling deraf og radiologiske praeparater indeholdende saadanne forbindelser
US5204086A (en) * 1982-10-01 1993-04-20 Nycomed Imaging As X-ray contrast agent
EP0108638B1 (en) * 1982-11-08 1986-07-16 NYEGAARD & CO. A/S X-ray contrast agents
US5191119A (en) * 1983-10-20 1993-03-02 Cook Imaging Corp. Process for producing non-ionic radiographic contrast media utilizing N-allylation
US4584401A (en) * 1983-10-20 1986-04-22 Biophysica Foundation Methods and compositions involving polyhydroxylated polyiodo non-ionic contrast media
JPS6091807U (ja) * 1983-11-30 1985-06-22 松下電器産業株式会社 テ−ブル
JPS634809Y2 (US20100292554A1-20101118-C00004.png) * 1984-10-04 1988-02-08
US4954348A (en) * 1985-08-09 1990-09-04 Cook Imaging Corporation Non-ionic polyol contrast media from ionic contrast media
DE3689330T2 (de) * 1985-08-09 1994-05-19 Cook Imaging Corp Nichtionische polyolkontrastmittel aus ionischen kontrastmitteln.
US5035877A (en) * 1985-08-09 1991-07-30 Cook Imaging Corporation Non-ionic contrast media from ionic contrast media
JPH0637447B2 (ja) * 1987-10-31 1994-05-18 東洋紡績株式会社 新規アミド化合物
US5698739A (en) * 1989-07-05 1997-12-16 Schering Aktiengesellschaft Carboxamide non-ionic contrast media
GB8919929D0 (en) * 1989-09-04 1989-10-18 Nycomed As Compositions
US5232685A (en) * 1989-11-03 1993-08-03 Schering Aktiengesellschaft Nonionic x-ray contrast medium with high iodine content
DE3937118A1 (de) * 1989-11-03 1991-05-08 Schering Ag Nichtionische roentgenkontrastmittel mit hohem jodgehalt
US5614638A (en) * 1989-11-29 1997-03-25 Bracco International B.V. Nonionic radiographic contrast agents
CA2029830A1 (en) * 1989-11-29 1991-05-30 Ramachandran S. Ranganathan Nonionic radiographic contrast agents
US5869024A (en) * 1989-11-29 1999-02-09 Bracco International B.V. Methods and compositions for using non-ionic contrast agents to reduce the risk of clot formation in diagnostic procedures
US5191120A (en) * 1989-12-13 1993-03-02 Mallinckrodt Medical, Inc. Process for preparing nonionic X-ray contrast agents
US4997983A (en) * 1990-01-31 1991-03-05 Mallinckrodt, Inc. Process for production of ioversol
US5527926A (en) * 1990-11-26 1996-06-18 Bracco International B.V. Methods and compositions for using non-ionic contrast agents to reduce the risk of clot formation in diagnostic procedures
US5356613A (en) * 1991-03-18 1994-10-18 Mallinckrodt Medical, Inc. X-ray contrast agents, compositions and methods
DE4109169A1 (de) * 1991-03-20 1992-09-24 Koehler Chemie Dr Franz Wasserloesliche nicht ionische roentgenkontrastmittel sowie mittel und verfahren zu ihrer herstellung
US5169864A (en) * 1991-11-15 1992-12-08 Baxter International Inc. Unbuffered premixed ranitidine formulation
JPH07501809A (ja) * 1991-12-03 1995-02-23 マリンクロッド・メディカル・インコーポレイテッド 非イオン性x線造影剤組成物およびその製造方法
US5278311A (en) * 1992-06-05 1994-01-11 E. R. Squibb & Sons, Inc. Nonionic radiographic contrast agents
WO1994005337A1 (en) * 1992-09-02 1994-03-17 Mallinckrodt Medical, Inc. Nonionic x-ray contrast agents, compositions and methods
IL110391A (en) * 1993-07-30 1998-12-06 Zambon Spa Process for the formation of infamidol
US5665331A (en) * 1995-01-10 1997-09-09 Nanosystems L.L.C. Co-microprecipitation of nanoparticulate pharmaceutical agents with crystal growth modifiers
US5662883A (en) * 1995-01-10 1997-09-02 Nanosystems L.L.C. Microprecipitation of micro-nanoparticulate pharmaceutical agents
US5716642A (en) * 1995-01-10 1998-02-10 Nano Systems L.L.C. Microprecipitation of nanoparticulate pharmaceutical agents using surface active material derived from similar pharmaceutical agents
US5560932A (en) * 1995-01-10 1996-10-01 Nano Systems L.L.C. Microprecipitation of nanoparticulate pharmaceutical agents
US5543133A (en) * 1995-02-14 1996-08-06 Nanosystems L.L.C. Process of preparing x-ray contrast compositions containing nanoparticles
IT1275429B (it) * 1995-05-18 1997-08-07 Zambon Spa Processo per la preparazione di un intermedio utile nella sintesi di composti organici
CN1078201C (zh) * 1995-11-20 2002-01-23 江苏省原子医学研究所 一种碘海醇的制备方法
GB9618055D0 (en) * 1996-08-29 1996-10-09 Nycomed Imaging As Process
US5840967A (en) 1996-08-29 1998-11-24 Nycomed Imaging As Process for the preparation of contrast agents
GB9618056D0 (en) * 1996-08-29 1996-10-09 Nycomed Imaging As Process
US5705692A (en) * 1996-09-27 1998-01-06 Abbott Laboratories Process for the preparation of iohexol
PT101919B (pt) * 1996-09-30 2000-01-31 Hovione Sociedade Quimica Sa Um processo para a purificacao de tohexol
US5861140A (en) * 1996-11-20 1999-01-19 Hoechst Celanese Corp. Tripodal paramagnetic contrast agents for MR imaging
US5861138A (en) * 1996-11-20 1999-01-19 Hoechst Celanese Corp. Ligands for MRI contrast agent
US5824821A (en) * 1997-02-07 1998-10-20 Nycomed Imaging As Process for the preparation of iodinated contrast agents and intermediates therefor
US5847212A (en) * 1997-04-21 1998-12-08 Abbott Laboratories Process for the preparation of iohexol
GB9710726D0 (en) * 1997-05-23 1997-07-16 Nycomed Imaging As Compound
GB9710725D0 (en) 1997-05-23 1997-07-16 Nycomed Imaging As Process
US6137006A (en) * 1997-05-23 2000-10-24 Nycomed Imaging As Preparation of tri-iodo benzene compounds
GB9710728D0 (en) * 1997-05-23 1997-07-16 Nycomed Imaging As Method
IT1292037B1 (it) * 1997-05-30 1999-01-25 Bracco Spa Processo per la preparazione di 5-(acetil 62,3-diidrossipropil)- ammino)-n,n'-bis(2,3-diidrossipropil)-2,4,6-triiodo-1,3-benzen-
US5820851A (en) * 1997-08-21 1998-10-13 Hoechst Celanese Corporation Tripodal pyridine ligands as MRI contrast agents
US5869025A (en) * 1997-08-21 1999-02-09 Hoechst Celanese Corporation Tripodal aromatic heterocycle carboxamide MRI contrast agents
US5824288A (en) * 1997-08-21 1998-10-20 Hoechst Celanese Corporation Thio-substituted pyridines as MRI ligand precursors
US5869026A (en) * 1997-08-21 1999-02-09 Hoechst Celanese Corp. Tripodal carboxamide ligands for MRI contrast agents
US5858329A (en) * 1997-08-21 1999-01-12 Hoechst Celanese Corporation MRI diagnostic procedures using tripodal pyridinyl metal complexes
GB9720969D0 (en) * 1997-10-02 1997-12-03 Nycomed Imaging As Process
GB9725010D0 (en) * 1997-11-26 1998-01-28 Nycomed Imaging As Process
US20040170561A1 (en) * 1998-09-08 2004-09-02 Jesse Salb Functional radiographic imaging methods and agents
US6751290B2 (en) 1998-09-08 2004-06-15 Veritas Pharmaceuticals, Inc. Radiographic assessment of tissue after exposure to a compound
US6226352B1 (en) 1998-09-08 2001-05-01 Veritas Pharmaceuticals, Inc. System and method for radiographic imaging of tissue
US6723746B2 (en) * 1998-09-08 2004-04-20 Veritas Pharmaceuticals, Inc. Functional radiographic imaging methods and agents
GB9825095D0 (en) * 1998-11-16 1999-01-13 Nycomed Imaging As Chemical process
EP1263324B1 (en) 2000-03-16 2009-12-02 Veritas Pharmaceuticals Radiographic assessment of tissue response to compounds
AU2002245169A1 (en) 2000-11-10 2002-07-08 Wm. Marsh Rice University Fullerene (c60)-based x-ray contrast agent for diagnostic imaging
IT1319670B1 (it) 2000-12-01 2003-10-23 Bracco Spa Processo per la preparazione di 5-ammino-n,n'-bis(2-idrossi-1-(idrossimetil)etil))-1,3-benzendicarbossammide (i) e 5-ammino-n,n'-
ITMI20010773A1 (it) * 2001-04-11 2002-10-11 Chemi Spa Processo per la produzione di ioexolo ad elevata purezza
KR20030032185A (ko) * 2001-10-16 2003-04-26 동국제약 주식회사 N,n'-비스[2,3-디히드록시프로필]-2,4,6-트리요오드-5-아세틸아미도 이소 프탈아미드의 결정화방법
EA011516B1 (ru) 2005-01-13 2009-04-28 Синвеншен Аг Композиционный материал и способ его изготовления
JP4801661B2 (ja) * 2005-03-18 2011-10-26 マナック株式会社 5−アミノ−2,4,6−トリヨードイソフタル酸誘導体のアセチル化方法
PT103391B (pt) 2005-11-24 2008-10-30 Hovione Farmaciencia S A Processo para fabrico de lohexol
CN100344606C (zh) * 2005-12-28 2007-10-24 江苏省原子医学研究所 一种碘昔兰的制备方法
EP2093206A1 (en) 2008-02-20 2009-08-26 BRACCO IMAGING S.p.A. Process for the iodination of aromatic compounds
US20110256068A1 (en) 2009-01-09 2011-10-20 Wistand Lars-Goeran Contrast media compositions
DK2451994T3 (da) 2009-07-07 2014-01-20 Bracco Imaging Spa Fremgangsmåde til fremstilling af et ioderende middel
EP2277859A1 (en) * 2009-07-21 2011-01-26 GE Healthcare AS Acetylation using reduced concentration of acetic acid anhydride for synthesizing non-ionic X-ray contrast agents
EP2277851A1 (en) * 2009-07-21 2011-01-26 GE Healthcare AS Acetylation using reduced volume of acetic acid anhydride for synthesizing non-ionic X-ray contrast agents
US20110021821A1 (en) * 2009-07-21 2011-01-27 Ge Healthcare As Continuous acetylation process in synthesis of non-ionic x-ray contrast agents
KR101585751B1 (ko) * 2010-07-12 2016-01-14 지이 헬스케어 에이에스 저농도의 조영제 및/또는 저방사선량의 x-선 영상화
CN102249948B (zh) * 2011-05-23 2014-01-29 苏州昊帆生物科技有限公司 5-乙酰氨基-n,n’-双-(2,3-二羟基丙基)-2,4,6-三碘间苯二甲酰胺的合成方法
EP2606912A1 (en) * 2011-12-23 2013-06-26 Central Medical Service Co., Ltd. Contrast medium composition with contrast enhancement effect by comprising highly concentrated agent
WO2015082720A1 (en) 2013-12-06 2015-06-11 Ge Healthcare As Alternative process for the purification of an intermediate in the synthesis of non-ionic x-ray contrast agents
EP3077366B1 (en) * 2013-12-06 2017-08-09 GE Healthcare AS Alternative acetylation process in the synthesis of non-ionic xray contrast agents
WO2015082718A1 (en) * 2013-12-06 2015-06-11 Ge Healthcare As Alternative process for the purification of an intermediate in the synthesis of non-ionic x-ray contrast agents
RU2711501C2 (ru) 2014-03-04 2020-01-17 Оцука Фармасьютикал Ко., Лтд. Порошок йогексола и способ его применения
PT108524B (pt) * 2015-06-02 2017-12-15 Hovione Farmaciência S A Processo para a preparação de intermediários úteis na preparação de agentes de contraste não-iónicos
CN107778191A (zh) * 2016-08-26 2018-03-09 正大天晴药业集团股份有限公司 一种碘普罗胺及其中间体的制备方法
RU2655619C1 (ru) * 2017-06-13 2018-05-29 Алексей Георгиевич Александров Способ получения фармацевтической субстанции на основе йогексола
CN107857714B (zh) * 2017-11-29 2020-11-13 上海司太立制药有限公司 一种碘海醇中间体杂质的制备方法和用途
CN108191690A (zh) * 2017-12-11 2018-06-22 天津河清化学工业有限公司 碘海醇节能环保的连续化制备方法
CN108191689A (zh) * 2017-12-11 2018-06-22 天津河清化学工业有限公司 一种新型碘海醇节能环保的连续化制备方法
EP4001261A1 (en) 2020-11-23 2022-05-25 Justesa Imagen S.A.U Procedure for obtaining high purity iohexol

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL34803A (en) * 1969-06-27 1975-03-13 Nyegaard & Co As N-hydroxyalkyl substituted benzamides and iodo methanesulfonamide and radiological compositions containing them
GB1321591A (en) 1969-06-27 1973-06-27 Nyegaard & Co As Non-ionic iodinated x-ray contrast agents
US4021481A (en) * 1969-06-27 1977-05-03 Nyegaard & Co. A/S Amido derivatives of 2,4,6-triiodobenzoic acids containing at least one N-hydroxyalkyl and at least two hydroxyl groups
BE788054A (fr) * 1971-08-26 1973-02-26 Bracco Ind Chimica Spa Nouvel agent de contraste radiographique et procede pour le preparer
CH608189A5 (US20100292554A1-20101118-C00004.png) * 1974-12-13 1978-12-29 Savac Ag

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19510864A1 (de) * 1995-03-16 1996-09-19 Schering Ag Röntgenkontrastmittel für die Computertomographie und Urographie

Also Published As

Publication number Publication date
US4250113A (en) 1981-02-10
JPS5654310B2 (US20100292554A1-20101118-C00004.png) 1981-12-24
DK150504C (da) 1988-01-11
FR2354316B1 (US20100292554A1-20101118-C00004.png) 1982-11-12
SE7706792L (sv) 1977-12-12
GB1548594A (en) 1979-07-18
DE2726196A1 (de) 1977-12-22
SE441181B (sv) 1985-09-16
BE855580A (fr) 1977-12-12
CH630064A5 (de) 1982-05-28
NL175814C (nl) 1985-01-02
FR2354316A1 (fr) 1978-01-06
DK150504B (da) 1987-03-16
JPS5321137A (en) 1978-02-27
HK56683A (en) 1983-11-25
NL7706385A (nl) 1977-12-13
DK258477A (da) 1977-12-12

Similar Documents

Publication Publication Date Title
DE2726196C2 (de) 2,4,6-Trijod-N,N'-bis(2,3-dihydroxypropyl)-isophthalamide, Verfahren zu deren Herstellung und diese enthaltende radiologische Mittel
DE2031724C3 (de) N-substituierte Trijodbenz- bzw. Jodmethansulfon-am'ide, Verfahren zu deren Herstellung und radiologische Zusammensetzungen
EP0612322B1 (de) Verfahren zur trennung von 5-methyl-tetrahydrofolsäure
EP0308364B1 (de) Neue Dicarbonsäure-bis(3,5-dicarbamoyl-2,4,6-Triiodanilide), Verfahren zu deren Herstellung sowie diese enthaltende Röntgenkontrastmittel
EP0049745B1 (de) Neue N-Hydroxy-alkylierte Dicarbonsäure-bis-(3,5-dicarbamoyl-2,4,6-trijodanilide), deren Herstellung und diese enthaltende Röntgenkontrastmittel
DE2805928A1 (de) Wasserloesliche, nicht ionische roentgenkontrastmittel und verfahren zu ihrer herstellung
DE3709230A1 (de) Neues calciumsalz der valproinsaeure
DE3429949A1 (de) Neue nicht -ionische 2,4,6-trijod-isophthalsaeure-bis-amide, verfahren zu ihrer herstellung und ihre verwendung als roentgenkontrastmittel
DE2928417A1 (de) Trijodierte basen
EP0406992B1 (de) Neue, nicht-ionische Carboxamid-Kontrastmittel
DE2366349C2 (de) Verfahren zur Herstellung von 5-Methyl-1-phenyl-2-(1H)-pyridon
DE3536093C2 (US20100292554A1-20101118-C00004.png)
DE19900172A1 (de) Verfahren zur Herstellung von L-p-Boronophenylalanin und Zwischenprodukt zur Herstellung desselben
DE69014581T2 (de) Nichtionische Jodverbindungen, Verfahren zu ihrer Herstellung und sie enthaltende Kontrastmittel.
DE69214934T2 (de) Nichtionische jodhaltige röntgenstrahlenkontrastmittel, verfahren zu ihrer herstellung und diese enthaltende zusammensetzungen
DE2715382A1 (de) Kontrastmittel fuer roentgenaufnahmen
CH616403A5 (en) Process for the preparation of 2,4,6-triodoisophthalamides which are readily soluble in water.
DE69401327T2 (de) Nicht-ionische iod-dimere als röntgenkontrastmittel, verfahren zu ihrer herstellung und galenische zusammensetzungen die diese enthalten
DE1493979C3 (de) Bis-(5-amino-2,4,6-trijod-N-alkylisophthalsäureamid) -Derivate von Dicarbonsäuren, deren Salze mit pharmazeutisch verwendbaren Kationen, Verfahren zur Herstellung dieser Verbindungen und diese enthaltende Röntgenkontrastmittel
AT282594B (de) Verfahren zur herstellung von neuem racemischem oder optisch aktivem (1-2'-nitrilophenoxy)-2-hydroxy-3-isopropylaminopropan und dessen salzen
DE767161C (de) Verfahren zur Herstellung von ª‰-(p-Oxyphenyl)-isopropylmethylaminen
DE2913173A1 (de) Szintillographisches mittel und verfahren zu seiner herstellung
DE1926557A1 (de) Cholecystographische Roentgenkontrastmittel
DE943947C (de) Verfahren zur Herstellung der erythro-1-p-Nitrophenyl-2-amino-1, 3-propandiole
DE2547789C3 (de) 5-Hydroxypropionylamino-2,4,6-trijodisophthalsäure-bis-(dihydroxypropylamide), Verfahren zu ihrer Herstellung und diese enthaltende Röntgenkontrastmittel

Legal Events

Date Code Title Description
OD Request for examination
8126 Change of the secondary classification

Free format text: C07C102/00 A61K 49/04

D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: NYCOMED A/S, OSLO, NO

8328 Change in the person/name/address of the agent

Free format text: ZUMSTEIN, F., DIPL.-CHEM. DR.RER.NAT. ASSMANN, E., DIPL.-CHEM. DR.RER.NAT. KLINGSEISEN, F., DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN