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ES2073370A1 - Procedimiento para la preparacion del compuesto bis-(1,3-dihidroxi-propilamida) del acido l-5-(2-acetoxi-propionilamino)-2,4,6-triyodo-isoftalico. - Google Patents

Procedimiento para la preparacion del compuesto bis-(1,3-dihidroxi-propilamida) del acido l-5-(2-acetoxi-propionilamino)-2,4,6-triyodo-isoftalico.

Info

Publication number
ES2073370A1
ES2073370A1 ES09302237A ES9302237A ES2073370A1 ES 2073370 A1 ES2073370 A1 ES 2073370A1 ES 09302237 A ES09302237 A ES 09302237A ES 9302237 A ES9302237 A ES 9302237A ES 2073370 A1 ES2073370 A1 ES 2073370A1
Authority
ES
Spain
Prior art keywords
propionylamino
acetoxy
preparation
acid bis
propylamide
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.)
Granted
Application number
ES09302237A
Other languages
English (en)
Other versions
ES2073370B1 (es
Inventor
Marco Villa
Antonio Nardi
Fabio Benedetti
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.)
Zambon Group SpA
Zambon SpA
Original Assignee
Zambon Group SpA
Zambon SpA
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 Zambon Group SpA, Zambon SpA filed Critical Zambon Group SpA
Publication of ES2073370A1 publication Critical patent/ES2073370A1/es
Application granted granted Critical
Publication of ES2073370B1 publication Critical patent/ES2073370B1/es
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C231/00—Preparation of carboxylic acid amides
    • C07C231/02—Preparation of carboxylic acid amides from carboxylic acids or from esters, anhydrides, or halides thereof by reaction with ammonia or amines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PROCEDIMIENTO PARA LA PREPARACION DE BIS-(1,3-DIHIDROXI-PROPILAMIDA) DEL ACIDO L-5-(2-ACETOXI-PROPIONILAMINO)-2, 4, 6-TRIYODO-ISOFTALICO. EL PROCEDIMIENTO APORTA COMO MEJORA EL USO DE ACETONA O UN ALCOHOL INFERIOR COMO DISOLVENTE PARA LA REACCION ENTRE EL DICLORURO DE ACIDO L-5-(2-ACETOXI-PROPIONILAMINO)-2, 4, 6-TRIYODO-ISOFTALICO Y EL 2-AMINO-PROPANODIOL, EN PRESENCIA DE UNA BASE. COMO DISOLVENTE ALCOHOLICO PUEDE ELEGIRSE ISOPROPANOL, SEC. BUTANOL, Y T. BUTANOL. EL PRODUCTO BIS-(1,3-DIHIDROXI-PROPILAMIDA) DEL ACIDO L-5-(2-ACETOXI-PROPIONILAMINO)-2, 4, 6-TRIYODO-ISOFTALICO SE USA COMO INTERMEDIO EN SINTESIS ORGANICA.
ES09302237A 1992-10-27 1993-10-26 Procedimiento para la preparacion del compuesto bis-(1,3-dihidroxi-propilamida) del acido l-5-(2-acetoxi-propionilamino)-2,4,6-triyodo-isoftalico. Expired - Fee Related ES2073370B1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI922451A IT1256163B (it) 1992-10-27 1992-10-27 Processo per la preparazione di un intermedio della sintesi organica

Publications (2)

Publication Number Publication Date
ES2073370A1 true ES2073370A1 (es) 1995-08-01
ES2073370B1 ES2073370B1 (es) 1996-02-16

Family

ID=11364170

Family Applications (1)

Application Number Title Priority Date Filing Date
ES09302237A Expired - Fee Related ES2073370B1 (es) 1992-10-27 1993-10-26 Procedimiento para la preparacion del compuesto bis-(1,3-dihidroxi-propilamida) del acido l-5-(2-acetoxi-propionilamino)-2,4,6-triyodo-isoftalico.

Country Status (7)

Country Link
CH (1) CH688147A5 (es)
DE (1) DE4336154A1 (es)
ES (1) ES2073370B1 (es)
FR (1) FR2697249B1 (es)
GB (1) GB2272218B (es)
IT (1) IT1256163B (es)
NL (1) NL194271C (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2136011A1 (es) * 1996-03-29 1999-11-01 Bracco Int Bv Procedimiento para la preparacion de un intermedio util en la sintesis de medios de contraste yodados.

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6262303B1 (en) 1998-05-08 2001-07-17 Dibra S.P.A. Process for the preparation of S-N,N′-bis[2-hydroxy-1-(hydroxymethyl)ethyl]-5-[(2-hydroxy-1-oxopropyl)-amino]-2,4,6-triiodo-1,3-benzenedicarboxamide
IT1299202B1 (it) * 1998-05-08 2000-02-29 Dibra Spa Processo per la preparazione della s-n,n'-bis (2-idrossi-1- (idrossimetil)etil) -5-((2-idrossi-1-ossopropil)ammino)-2,4,6-triiodo
IT1302200B1 (it) * 1998-09-11 2000-07-31 Dibra Spa PROCESSO PER LA PREPARAZIONE DELLA S-N,N'-BIS°2-IDROSSI-1-(IDROSSIMETIL)ETILé-5-°(2-IDROSSI-1-
US6803485B2 (en) 1999-02-26 2004-10-12 Bracco Imaging S.P.A. Process for the preparation of iopamidol

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1472050A (en) * 1974-12-13 1977-04-27 Savac Ag Non-ionic x-ray contrast agents
ES2017277A6 (es) * 1989-09-20 1991-01-16 Juste Sa Un procedimiento para la preparacion de nuevos agentes iodados no ionicos de contraste.
EP0437144A1 (fr) * 1990-01-05 1991-07-17 Guerbet S.A. Composés non ioniques iodés, leur procédé de préparation et produits de contraste en contenant

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1472050A (en) * 1974-12-13 1977-04-27 Savac Ag Non-ionic x-ray contrast agents
ES2017277A6 (es) * 1989-09-20 1991-01-16 Juste Sa Un procedimiento para la preparacion de nuevos agentes iodados no ionicos de contraste.
EP0437144A1 (fr) * 1990-01-05 1991-07-17 Guerbet S.A. Composés non ioniques iodés, leur procédé de préparation et produits de contraste en contenant

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2136011A1 (es) * 1996-03-29 1999-11-01 Bracco Int Bv Procedimiento para la preparacion de un intermedio util en la sintesis de medios de contraste yodados.

Also Published As

Publication number Publication date
NL9301822A (nl) 1994-05-16
NL194271B (nl) 2001-07-02
ES2073370B1 (es) 1996-02-16
ITMI922451A0 (it) 1992-10-27
GB2272218A (en) 1994-05-11
IT1256163B (it) 1995-11-29
CH688147A5 (it) 1997-05-30
FR2697249A1 (fr) 1994-04-29
GB9320888D0 (en) 1993-12-01
DE4336154A1 (de) 1994-04-28
NL194271C (nl) 2001-11-05
FR2697249B1 (fr) 1995-04-14
GB2272218B (en) 1995-11-22
ITMI922451A1 (it) 1994-04-27

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PC2A Transfer of patent
FD2A Announcement of lapse in spain

Effective date: 20141120