GB2272218B - Process for the preparation of 2,4,6-triiodo-isophthalic acid bis-(1,3-dihydroxypropylamide) derivatives - Google Patents

Process for the preparation of 2,4,6-triiodo-isophthalic acid bis-(1,3-dihydroxypropylamide) derivatives

Info

Publication number
GB2272218B
GB2272218B GB9320888A GB9320888A GB2272218B GB 2272218 B GB2272218 B GB 2272218B GB 9320888 A GB9320888 A GB 9320888A GB 9320888 A GB9320888 A GB 9320888A GB 2272218 B GB2272218 B GB 2272218B
Authority
GB
United Kingdom
Prior art keywords
dihydroxypropylamide
triiodo
derivatives
preparation
isophthalic acid
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 - Fee Related
Application number
GB9320888A
Other versions
GB2272218A (en
GB9320888D0 (en
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 GB9320888D0 publication Critical patent/GB9320888D0/en
Publication of GB2272218A publication Critical patent/GB2272218A/en
Application granted granted Critical
Publication of GB2272218B publication Critical patent/GB2272218B/en
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
GB9320888A 1992-10-27 1993-10-11 Process for the preparation of 2,4,6-triiodo-isophthalic acid bis-(1,3-dihydroxypropylamide) derivatives Expired - Fee Related GB2272218B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI922451A IT1256163B (en) 1992-10-27 1992-10-27 PROCESS FOR THE PREPARATION OF AN INTERMEDIATE OF THE ORGANIC SYNTHESIS

Publications (3)

Publication Number Publication Date
GB9320888D0 GB9320888D0 (en) 1993-12-01
GB2272218A GB2272218A (en) 1994-05-11
GB2272218B true GB2272218B (en) 1995-11-22

Family

ID=11364170

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9320888A Expired - Fee Related GB2272218B (en) 1992-10-27 1993-10-11 Process for the preparation of 2,4,6-triiodo-isophthalic acid bis-(1,3-dihydroxypropylamide) derivatives

Country Status (7)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1283319B1 (en) * 1996-03-29 1998-04-16 Zambon Spa PROCESS FOR THE PREPARATION OF A USEFUL INTERMEDIATE IN THE SYNTHESIS OF HYDURATED CONTRAST MEDIA
IT1299202B1 (en) * 1998-05-08 2000-02-29 Dibra Spa PROCESS FOR THE PREPARATION OF S-N, N'-BIS (2-HYDROXY-1- (HYDROXIMETHYL) ETHYL) -5 - ((2-HYDROXY-1-OXOPROPYL) AMINO) -2,4,6-TRIIODE
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
IT1302200B1 (en) 1998-09-11 2000-07-31 Dibra Spa PROCESS FOR THE PREPARATION OF THE 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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH608189A5 (en) * 1974-12-13 1978-12-29 Savac Ag
FR2656865B1 (en) * 1990-01-05 1993-03-26 Guerbet Sa NON-IONIC IODINE COMPOUND, PROCESS FOR PREPARING THE SAME, AND CONTRAST PRODUCT CONTAINING THE SAME.
ES2017277A6 (en) * 1989-09-20 1991-01-16 Juste Sa Process for the preparation of new non-ionic iodated contrast media

Also Published As

Publication number Publication date
GB2272218A (en) 1994-05-11
ES2073370B1 (en) 1996-02-16
ITMI922451A1 (en) 1994-04-27
FR2697249B1 (en) 1995-04-14
NL194271B (en) 2001-07-02
ES2073370A1 (en) 1995-08-01
NL194271C (en) 2001-11-05
DE4336154A1 (en) 1994-04-28
GB9320888D0 (en) 1993-12-01
FR2697249A1 (en) 1994-04-29
IT1256163B (en) 1995-11-29
CH688147A5 (en) 1997-05-30
NL9301822A (en) 1994-05-16
ITMI922451A0 (en) 1992-10-27

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19991011