HK56683A - Triiodoisophthalic acid amides - Google Patents

Triiodoisophthalic acid amides

Info

Publication number
HK56683A
HK56683A HK566/83A HK56683A HK56683A HK 56683 A HK56683 A HK 56683A HK 566/83 A HK566/83 A HK 566/83A HK 56683 A HK56683 A HK 56683A HK 56683 A HK56683 A HK 56683A
Authority
HK
Hong Kong
Prior art keywords
acid amides
compounds
triiodoisophthalic acid
acetyl
isophthala
Prior art date
Application number
HK566/83A
Other languages
English (en)
Inventor
Nordal Vegard
Holtermann Hugo
Original Assignee
Nycomed 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 Nycomed As filed Critical Nycomed As
Publication of HK56683A publication Critical patent/HK56683A/xx

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K49/00—Preparations for testing in vivo
    • A61K49/04—X-ray contrast preparations
    • A61K49/0433—X-ray contrast preparations containing an organic halogenated X-ray contrast-enhancing agent
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C237/00—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups
    • C07C237/28—Carboxylic 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
    • C07C237/32—Carboxylic 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C237/00—Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups
    • C07C237/28—Carboxylic 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
    • C07C237/46—Carboxylic 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)
HK566/83A 1976-06-11 1983-11-17 Triiodoisophthalic acid amides HK56683A (en)

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 (1)

Publication Number Publication Date
HK56683A true HK56683A (en) 1983-11-25

Family

ID=10210154

Family Applications (1)

Application Number Title Priority Date Filing Date
HK566/83A HK56683A (en) 1976-06-11 1983-11-17 Triiodoisophthalic acid amides

Country Status (11)

Country Link
US (1) US4250113A (da)
JP (1) JPS5321137A (da)
BE (1) BE855580A (da)
CH (1) CH630064A5 (da)
DE (1) DE2726196C2 (da)
DK (1) DK150504C (da)
FR (1) FR2354316A1 (da)
GB (1) GB1548594A (da)
HK (1) HK56683A (da)
NL (1) NL175814C (da)
SE (1) SE441181B (da)

Families Citing this family (102)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE445971B (sv) * 1978-07-04 1986-08-04 Nyegaard & Co As Forfarande for framstellning av injicerbart rontgenkontrastmedel samt en losning av nemnda medel
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
EP0105752B1 (en) * 1982-10-01 1986-05-07 NYEGAARD & CO. A/S X-ray contrast agents
US5204086A (en) * 1982-10-01 1993-04-20 Nycomed Imaging As X-ray contrast agent
LU88639I2 (fr) * 1982-11-08 1996-02-01 Nycomed Imaging S A Agents de contraste pour rayons x
US4584401A (en) * 1983-10-20 1986-04-22 Biophysica Foundation Methods and compositions involving polyhydroxylated polyiodo non-ionic contrast media
US5191119A (en) * 1983-10-20 1993-03-02 Cook Imaging Corp. Process for producing non-ionic radiographic contrast media utilizing N-allylation
JPS6091807U (ja) * 1983-11-30 1985-06-22 松下電器産業株式会社 テ−ブル
US5035877A (en) * 1985-08-09 1991-07-30 Cook Imaging Corporation Non-ionic contrast media from ionic contrast media
WO1987000757A1 (en) * 1985-08-09 1987-02-12 Cook Imaging, Inc. Non-ionic polyol contrast media from ionic contrast media
US4954348A (en) * 1985-08-09 1990-09-04 Cook Imaging Corporation Non-ionic polyol 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
DE3937118A1 (de) * 1989-11-03 1991-05-08 Schering Ag Nichtionische roentgenkontrastmittel mit hohem jodgehalt
US5232685A (en) * 1989-11-03 1993-08-03 Schering Aktiengesellschaft Nonionic x-ray contrast medium with high iodine content
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
IL96324A (en) * 1989-11-29 1995-01-24 Squibb & Sons Inc 5-Amino-2, 4, 6-triiodo-1, 3-benzenecarboxylic acid derivatives, processes for their preparation, and methods utilizing them as contrast agents
US5614638A (en) * 1989-11-29 1997-03-25 Bracco International B.V. Nonionic radiographic contrast agents
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
WO1993010825A1 (en) * 1991-12-03 1993-06-10 Mallinckrodt Medical, Inc. Nonionic x-ray contrast agents, compositions and methods
US5278311A (en) * 1992-06-05 1994-01-11 E. R. Squibb & Sons, Inc. Nonionic radiographic contrast agents
AU5093993A (en) * 1992-09-02 1994-03-29 Mallinckrodt Medical, Inc. Nonionic X-ray contrast agents compositions and methods
IL110391A (en) * 1993-07-30 1998-12-06 Zambon Spa Process for the crystallization of iopamidol
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
US5665331A (en) * 1995-01-10 1997-09-09 Nanosystems L.L.C. Co-microprecipitation of nanoparticulate pharmaceutical agents with crystal growth modifiers
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
DE19510864A1 (de) * 1995-03-16 1996-09-19 Schering Ag Röntgenkontrastmittel für die Computertomographie und Urographie
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
US5840967A (en) * 1996-08-29 1998-11-24 Nycomed Imaging As Process for the preparation of contrast agents
GB9618055D0 (en) * 1996-08-29 1996-10-09 Nycomed Imaging As Process
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
US5861138A (en) * 1996-11-20 1999-01-19 Hoechst Celanese Corp. Ligands for MRI contrast agent
US5861140A (en) * 1996-11-20 1999-01-19 Hoechst Celanese Corp. Tripodal paramagnetic contrast agents for MR imaging
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
US6137006A (en) * 1997-05-23 2000-10-24 Nycomed Imaging As Preparation of tri-iodo benzene compounds
GB9710726D0 (en) 1997-05-23 1997-07-16 Nycomed Imaging As Compound
GB9710728D0 (en) * 1997-05-23 1997-07-16 Nycomed Imaging As Method
GB9710725D0 (en) 1997-05-23 1997-07-16 Nycomed Imaging As Process
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-
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
US5820851A (en) * 1997-08-21 1998-10-13 Hoechst Celanese Corporation Tripodal pyridine ligands as MRI contrast agents
US5824288A (en) * 1997-08-21 1998-10-20 Hoechst Celanese Corporation Thio-substituted pyridines as MRI ligand precursors
US5869025A (en) * 1997-08-21 1999-02-09 Hoechst Celanese Corporation Tripodal aromatic heterocycle carboxamide MRI contrast agents
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
ATE450201T1 (de) 2000-03-16 2009-12-15 Veritas Pharmaceuticals Radiographische bewertung von gewebereaktionen auf chemische verbindungen
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
DE602005010747D1 (de) 2005-01-13 2008-12-11 Cinv Ag Kohlenstoffnanopartikel enthaltende verbundwerkstoffe
WO2006100731A1 (ja) * 2005-03-18 2006-09-28 Manac Inc. 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
RU2325849C2 (ru) * 2006-07-04 2008-06-10 Региональный общественный фонд содействия борьбы против СПИДа и туберкулеза "В XXI веке без СПИДа и туберкулеза" Способ определения активности системы мононуклеарных фагоцитов с помощью меченых соединений
EP2093206A1 (en) 2008-02-20 2009-08-26 BRACCO IMAGING S.p.A. Process for the iodination of aromatic compounds
EP2385845A1 (en) 2009-01-09 2011-11-16 Ge Healthcare As Contrast media compositions
BR112012001103B1 (pt) 2009-07-07 2021-05-11 Bracco Imaging Spa processo para a preparação de um agente de iodação
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
EP2593143A1 (en) * 2010-07-12 2013-05-22 GE Healthcare AS X-ray imaging at low contrast agent concentrations and/or low dose radiation
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
PT3077367T (pt) * 2013-12-06 2018-10-03 Ge Healthcare As Processo alternativo para a purificação de um intermediário na síntese de agentes de contraste não iónicos para raios-x
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
US9688614B2 (en) 2013-12-06 2017-06-27 Ge Healthcare As Alternative acetylation process in the synthesis of non-ionic X-ray contrast agents
AU2015224847C1 (en) 2014-03-04 2021-03-04 Otsuka Pharmaceutical Co., Ltd. Iohexol powder and method of using the same
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
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
NL153083B (nl) * 1969-06-27 1977-05-16 Nijegaard & Co A S Werkwijze ter bereiding van trijoodbenzoezuuramiden.
BE788054A (fr) * 1971-08-26 1973-02-26 Bracco Ind Chimica Spa Nouvel agent de contraste radiographique et procede pour le preparer
CH608189A5 (da) * 1974-12-13 1978-12-29 Savac Ag

Also Published As

Publication number Publication date
JPS5654310B2 (da) 1981-12-24
US4250113A (en) 1981-02-10
NL7706385A (nl) 1977-12-13
CH630064A5 (de) 1982-05-28
DE2726196C2 (de) 1983-12-29
NL175814C (nl) 1985-01-02
GB1548594A (en) 1979-07-18
SE7706792L (sv) 1977-12-12
SE441181B (sv) 1985-09-16
DK150504C (da) 1988-01-11
FR2354316A1 (fr) 1978-01-06
DE2726196A1 (de) 1977-12-22
FR2354316B1 (da) 1982-11-12
JPS5321137A (en) 1978-02-27
BE855580A (fr) 1977-12-12
DK150504B (da) 1987-03-16
DK258477A (da) 1977-12-12

Similar Documents

Publication Publication Date Title
HK56683A (en) Triiodoisophthalic acid amides
FI911361A0 (fi) Genomskinlig stiftantiperspirant.
MX9203691A (es) Nuevos medios de contraste de rayos x no ionicos.
ES8301979A2 (es) Mejoras en el objeto de la patente de invencion n.487.721 por procedimiento de preparacion de nuevos derivados del nortropano.
NO954440D0 (no) 2 pyridylmetylenpolyazamakrocyklo-fosfonsyrer, komplekser og derivater derav, for anvendelse som kontrastmidler
SE7709328L (sv) Rontgenkontrastmedel
ATE8050T1 (de) N-(4-aminobenzoyl)-n'-benzylbispidin, seine herstellung und dieses enthaltende arzneimittel.
ES2105362T3 (es) Nuevos derivados de acidos quinolon- y naftiridoncarboxilicos.
NO913295L (no) Kodeinsalt av en substituert karboksylsyre, fremgangsmaatefor fremstilling derav og anvendelse derav.
ES419560A1 (es) Procedimiento para la preparacion de n - (1'alcoxicarbonil-etil)-n-halocetil-2,6-dialquilanilinas.
FI831070L (fi) Salicylsyraderivat, foerfarande foer deras framstaellning, pao dessa foereningar baserade farmaceutprodukter och deras anvaendning
ES456359A1 (es) Procedimiento para preparar derivados de n-trocloroacetil- n'-clorobenzoilhidrazina.
FR2355807A1 (fr) Derives d'acides isophtalamiques iodes et agents de contraste qui en contiennent
BR8203379A (pt) Composicoes herbicidas baseadas em derivados de cloro-aceto-ciclo-alquil-amidas
ES2053620T3 (es) Derivados de (2-ciano-2-oximinoacetil)-aminoacidos.
ES8102112A1 (es) Procedimiento para la obtencion de n-alil-acetanilidas sus- tituidas de efecto fungicida
DE3861271D1 (de) Basisch substituierte benzofurancarbonsaeureamide, verfahren zu ihrer herstellung und sie enthaltende therapeutische mittel.
JPS5340779A (en) Optically active tolpertisone, their preparation and pharmaceuticals containting the same
ATE149T1 (de) 2-(n-(2'-chlor-4'-methylthienyl-3')-n-(cyclopropyl- methyl)-amino)-imidazolin-(2), dessen saeureadditionssalze, dieses enthaltende arzneimittel und verfahren zu seiner herstellung.
ES508757A0 (es) "procedimiento para la preparacion de acidos antranilicos sustituidos con radicales basicos"
ES8106147A1 (es) Procedimiento para preparar un 1,2,4-triazol-3-tiol
DK151082A (da) Fungicidt middel indeholdende triazolylderivater
ES2021944A6 (es) Procedimiento para preparar nuevos derivados de 1,3,5,-triamino-2,4,6-triyodobenceno.
MX9200181A (es) Beta fenilisoserina-(2r,3s) y procedimiento para sbeta fenilisoserina-(2r,3s) y procedimiento para su preparacion. u preparacion.
ATE111461T1 (de) N-((2-thenoylmerkapto-3-methyl)-butanoyl>- homocysteinthiolacton, verfahren zu seiner herstellung und diese enthaltende pharmaceutische zusammensetzungen.

Legal Events

Date Code Title Description
NR Patent deemed never to have been added to the register under section 13(7) of patents (transitional arrangements) rules