WO1994004488A1 - Nouveaux composes poly-iodes, procede de preparation, produit de contraste les contenant - Google Patents
Nouveaux composes poly-iodes, procede de preparation, produit de contraste les contenant Download PDFInfo
- Publication number
- WO1994004488A1 WO1994004488A1 PCT/FR1993/000824 FR9300824W WO9404488A1 WO 1994004488 A1 WO1994004488 A1 WO 1994004488A1 FR 9300824 W FR9300824 W FR 9300824W WO 9404488 A1 WO9404488 A1 WO 9404488A1
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- WO
- WIPO (PCT)
- Prior art keywords
- group
- represent
- formula
- groups
- compounds
- 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.)
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Classifications
-
- 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
-
- 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
Definitions
- the present invention relates to new polyiodinated compounds which can be used in contrast products for radiography.
- the invention also relates to a process for the preparation of these compounds and to the contrast products containing them.
- R 3 , R 4 identical or different from each other, represent a group of formula
- R 5 and R 6 , R 7 and R 8 which are identical or different from each other represent a hydrogen atom, a linear or branched C 1 -C 6 alkyl group, a hydroxy- or polyhydroxy-C 1 alkyl group - Linear or branched C 6 , optionally also comprising one or more C 1 -C 6 alkoxy groups, in particular methoxy or ethoxy, a C 1 -C 6 alkoxy group, linear or branched C 1 -C 6 alkyl or a hydroxy- or polyhydroxy-alkoxy- (C 1 -C 6 ) linear or branched C 1 -C 6 alkyl, said substituents R 1 , R 2 , R 3 , R 4 comprising in total at least ten hydroxy groups.
- R 5 , R 6 and R 8 are chosen from -CH 3 , -CH 2 OH, -CH 2 -CH 2 OH,
- R 5 represents the group
- R 6 is chosen from -CH 3 , -CH 2 -CH 2 OH, and .
- R 8 is chosen from -CH 3 , -CH 2 OH,, -CHOH-CH 2 OH and
- the preferred compounds of the present invention are those in which:
- R 1 and R 2 represent the group
- R 3 and R 4 represent the group -NH-CO-CHOH-CH 2 OH (compound No. 1); - R 1 and R 2 represent the group
- R 1 and R 2 represent the group
- R 3 and R 4 represent the group
- R 1 and R 2 represent the group
- R 3 and R 4 represent the group
- R 1 and R 2 represent the group and R 3 and R 4 represent the group
- R 1 and R 2 represent the group
- R 3 and R 4 represent the group
- R 1 and R 2 represent the group
- R 3 and R 4 represent the group
- R 1 and R 2 represent the group
- R 3 and R 4 represent the group
- R 1 and R 2 represent the group
- R 3 and R 4 represent the group
- R 1 and R 2 represent the group
- R 3 and R 4 represent the group
- R 1 and R 2 represent the group
- R 3 and R 4 represent the group
- the compounds of general formula (I) of the present invention can be prepared by alkylation and / or acylation reactions.
- the compounds of general formula (I) of the present invention can in particular be prepared by a process comprising the following stages:
- X being chosen from chlorine, bromine and iodine and
- R ' 1 , R' 2 represent the group -CO 2 R with R representing a C 1 -C 6 alkyl group, and R ' 3 , R' 4 represent the group -NO 2 so as to obtain a compound of formula IV:
- R ' 1 , R' 2 , R ' 3 and R' 4 are as defined above.
- R 5 and R 6 being defined as above;
- step a) deprotection of the protected hydroxy groups and optionally alkylation of the amido groups by a reagent of formula ZR 7 , Z being a labile group such as Cl, Br or I and R 7 being as defined above.
- the reaction of step a) preferably takes place in an appropriate solvent such as xylene, nitrobenzene, nitrotoluene, DMF or pyridine, in the presence of a metal catalyst such as copper according to the method of Ullman (E. FANTA, Chem. Rev. 64, 613, 1964).
- step c) is a catalytic reduction by hydrogen on palladium carbon or on Ranney nickel or a chemical reduction.
- step d) takes place under usual conditions, such as by aqueous ICI or I 2 , in the presence of K1 / ethylamine at temperatures between 0 ° C and 100 ° C.
- acylation and alkylation reactions of steps f) and g) are carried out under conventional conditions, in the presence of a strong base.
- the compounds of formula (I) of the present invention can also be prepared by a process comprising the following steps:
- R 5 and R 6 being as defined above;
- the compounds of formula I of the present invention can also be prepared by a process comprising the following stages:
- X being chosen from chlorine, bromine and iodine and R ' 1 , R' 2 representing the group -CO 2 R with R representing H or a C 1 -C 6 alkyl group, and R ' 3 , R' 4 representing the group -NO 2 so as to obtain a compound of formula IV:
- R ' 1 , R' 2 , R ' 3 and R' 4 are as defined above;
- amine alcohols used to obtain the preferred compounds of the present invention can be prepared in the following manner: Preparation of the amine alcohol n ° 1 a) Preparation of the compound of formula
- the compound is prepared according to the method described above.
- the present invention also relates to contrast products which comprise at least one compound of formula (I).
- the slightly concentrated reaction medium is poured onto 200 cm 3 of ice-cold H 2 O. After filtration of the precipitate, 10 g of a cream solid are obtained.
- Example 1 12.5 g (0.0376 mol) of the compound obtained in 4) of Example 1 are added to a solution of 100 ml of SOCl 2 and 0.1 ml of DMF. The solution is brought to reflux for 5 hours. After distillation of SOCl 2 , the paste obtained is dissolved in CH 2 Cl 2 and poured dropwise at 20 ° C in a solution containing 20.5 g (0.105 mole) of N-2,3 propanediol-N, 2,3 , 4-trihydroxybutylamine and 14.6 ml (0.105 mole) of triethylamine dissolved in 80 ml of DMAC. After addition, the mixture is stirred for 4 hours at room temperature. After filtration of the triethylamine hydrochloride, the solvent is evaporated. The paste obtained is purified by passage over H + resin. After evaporation of the solvent, 33 g of brown oil are obtained.
- step a) To the solution obtained in step a) are added dropwise 54 ml (0.3 mole) of a 70% ICl solution. When the addition is complete, the reaction mixture is left at room temperature for 12 hours. The solution is poured into 2000 ml of ether, the precipitate obtained is filtered and then washed with ether. After drying, the product obtained is returned to iodization with 54 ml (0.3 mole) of 70% IC1 in 500 ml of MeOH. After 12 hours at 50 ° C the same treatment as above is applied to the solution. The precipitate obtained is returned a third time to iodization with 27 ml of IC1 (0.15 mole) in 300 ml of MeOH.
- the paste obtained is purified by passage over H + resin. After evaporation of the solvent, 150 g of brown oil are obtained.
- step a) To the solution obtained in step a) are added dropwise 62 ml (0.353 mole) of a 10% ICl solution. When the addition is complete, the reaction mixture is left at room temperature for 12 hours. The solution is poured into 2000 ml of ether, the precipitate obtained is filtered, then washed with ether. After drying, the product obtained is returned to iodization with 31 ml of 70% IC1 (0.17 mole) in 300 ml of MeOH. After 12 hours at 50 ° C, the same treatment as above is applied to the solution. Cream crystals are obtained.
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- 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)
Abstract
Description
Claims
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002142986A CA2142986A1 (fr) | 1992-08-25 | 1993-08-24 | Nouveaux composes polyiodes; methode de preparation et agent de contraste a base de ces composes |
| AU49644/93A AU4964493A (en) | 1992-08-25 | 1993-08-24 | Novel poly-iodated compounds, method of preparation and contrast product containing same |
| EP93919397A EP0656884A1 (fr) | 1992-08-25 | 1993-08-24 | Nouveaux composes poly-iodes, procede de preparation, produit de contraste les contenant |
| FI950874A FI950874A0 (fi) | 1992-08-25 | 1993-08-24 | Uudet polyjoditetut yhdisteet, menetelmä niiden valmistamiseksi, niitä sisältävä varjoaine |
| US08/387,721 US5618977A (en) | 1992-08-25 | 1993-08-24 | Polyiodinated compounds, process of preparation and contrast agent containing them |
| JP6505969A JPH08500355A (ja) | 1992-08-25 | 1993-08-24 | 新規ポリヨウ素化化合物、その製法およびそれらを含有する造影剤 |
| NO950665A NO950665L (no) | 1992-08-25 | 1995-02-22 | Nye polyjoderte forbindelser, fremgangsmåte for deres fremstilling og kontrastmidler inneholdende disse |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR92/10270 | 1992-08-25 | ||
| FR9210270A FR2695125B1 (fr) | 1992-08-25 | 1992-08-25 | Nouveaux composés poly-iodés, procédé de préparation, produit de contraste les contenant. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1994004488A1 true WO1994004488A1 (fr) | 1994-03-03 |
Family
ID=9433015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR1993/000824 Ceased WO1994004488A1 (fr) | 1992-08-25 | 1993-08-24 | Nouveaux composes poly-iodes, procede de preparation, produit de contraste les contenant |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US5618977A (fr) |
| EP (1) | EP0656884A1 (fr) |
| JP (1) | JPH08500355A (fr) |
| CN (1) | CN1090572A (fr) |
| AU (1) | AU4964493A (fr) |
| CA (1) | CA2142986A1 (fr) |
| FI (1) | FI950874A0 (fr) |
| FR (1) | FR2695125B1 (fr) |
| HU (1) | HUT70943A (fr) |
| IL (1) | IL106768A0 (fr) |
| NO (1) | NO950665L (fr) |
| PL (1) | PL307587A1 (fr) |
| TR (1) | TR26907A (fr) |
| WO (1) | WO1994004488A1 (fr) |
| ZA (1) | ZA936188B (fr) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0714879A1 (fr) * | 1994-12-01 | 1996-06-05 | BRACCO S.p.A. | Dérivés biphényles iodés et leur utilisation diagnostique |
| US5958375A (en) * | 1994-09-23 | 1999-09-28 | Nycomed Imaging As | Urea-linked, iodinated bis phenyl compounds for X-ray contrast media |
| US8926945B2 (en) | 2005-10-07 | 2015-01-06 | Guerbet | Compounds comprising a biological target recognizing part, coupled to a signal part capable of complexing gallium |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6310243B1 (en) | 1994-09-23 | 2001-10-30 | Nycomed Imaging As | Iodinated x-ray contrast media |
| GB9419203D0 (en) * | 1994-09-23 | 1994-11-09 | Nycomed Innovation Ab | Contrast media |
| US6265610B1 (en) | 1999-01-12 | 2001-07-24 | The University Of North Carolina At Chapel Hill | Contrast media for angiography |
| US10918742B2 (en) | 2016-03-25 | 2021-02-16 | Nanoprobes, Inc. | Iodine-based particles |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3429949A1 (de) * | 1984-08-10 | 1986-02-20 | Schering AG, 1000 Berlin und 4709 Bergkamen | Neue nicht -ionische 2,4,6-trijod-isophthalsaeure-bis-amide, verfahren zu ihrer herstellung und ihre verwendung als roentgenkontrastmittel |
| EP0308364A2 (fr) * | 1987-09-17 | 1989-03-22 | Schering Aktiengesellschaft | Acides bis(3,5-dicarbamoyl-2-4-6-triiodanilide) ou carboxyliques, leur procédé de préparation ainsi que les agents de contraste aux rayons X qui les contiennent |
| EP0357467A1 (fr) * | 1988-06-02 | 1990-03-07 | Guerbet S.A. | Nouveaux composés triiodobenzéniques non ioniques iodés et produits de contraste les contenant |
-
1992
- 1992-08-25 FR FR9210270A patent/FR2695125B1/fr not_active Expired - Fee Related
-
1993
- 1993-08-23 IL IL106768A patent/IL106768A0/xx unknown
- 1993-08-24 CA CA002142986A patent/CA2142986A1/fr not_active Abandoned
- 1993-08-24 PL PL93307587A patent/PL307587A1/xx unknown
- 1993-08-24 AU AU49644/93A patent/AU4964493A/en not_active Abandoned
- 1993-08-24 ZA ZA936188A patent/ZA936188B/xx unknown
- 1993-08-24 EP EP93919397A patent/EP0656884A1/fr not_active Withdrawn
- 1993-08-24 FI FI950874A patent/FI950874A0/fi unknown
- 1993-08-24 WO PCT/FR1993/000824 patent/WO1994004488A1/fr not_active Ceased
- 1993-08-24 JP JP6505969A patent/JPH08500355A/ja active Pending
- 1993-08-24 HU HU9500578A patent/HUT70943A/hu unknown
- 1993-08-24 US US08/387,721 patent/US5618977A/en not_active Expired - Lifetime
- 1993-08-25 TR TR00731/93A patent/TR26907A/xx unknown
- 1993-08-25 CN CN93118233A patent/CN1090572A/zh active Pending
-
1995
- 1995-02-22 NO NO950665A patent/NO950665L/no unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3429949A1 (de) * | 1984-08-10 | 1986-02-20 | Schering AG, 1000 Berlin und 4709 Bergkamen | Neue nicht -ionische 2,4,6-trijod-isophthalsaeure-bis-amide, verfahren zu ihrer herstellung und ihre verwendung als roentgenkontrastmittel |
| EP0308364A2 (fr) * | 1987-09-17 | 1989-03-22 | Schering Aktiengesellschaft | Acides bis(3,5-dicarbamoyl-2-4-6-triiodanilide) ou carboxyliques, leur procédé de préparation ainsi que les agents de contraste aux rayons X qui les contiennent |
| EP0357467A1 (fr) * | 1988-06-02 | 1990-03-07 | Guerbet S.A. | Nouveaux composés triiodobenzéniques non ioniques iodés et produits de contraste les contenant |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5958375A (en) * | 1994-09-23 | 1999-09-28 | Nycomed Imaging As | Urea-linked, iodinated bis phenyl compounds for X-ray contrast media |
| EP0714879A1 (fr) * | 1994-12-01 | 1996-06-05 | BRACCO S.p.A. | Dérivés biphényles iodés et leur utilisation diagnostique |
| US8926945B2 (en) | 2005-10-07 | 2015-01-06 | Guerbet | Compounds comprising a biological target recognizing part, coupled to a signal part capable of complexing gallium |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2695125B1 (fr) | 1994-12-23 |
| ZA936188B (en) | 1994-06-24 |
| PL307587A1 (en) | 1995-05-29 |
| FI950874L (fi) | 1995-02-24 |
| NO950665L (no) | 1995-04-24 |
| JPH08500355A (ja) | 1996-01-16 |
| TR26907A (tr) | 1994-08-22 |
| FI950874A7 (fi) | 1995-02-24 |
| NO950665D0 (no) | 1995-02-22 |
| US5618977A (en) | 1997-04-08 |
| EP0656884A1 (fr) | 1995-06-14 |
| FI950874A0 (fi) | 1995-02-24 |
| IL106768A0 (en) | 1993-12-08 |
| AU4964493A (en) | 1994-03-15 |
| FR2695125A1 (fr) | 1994-03-04 |
| CA2142986A1 (fr) | 1994-03-03 |
| CN1090572A (zh) | 1994-08-10 |
| HU9500578D0 (en) | 1995-04-28 |
| HUT70943A (en) | 1995-11-28 |
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