IL133394A - Process for the preparation of macrocylic chelants and the chelates thereof with paramagnetic metal ions - Google Patents
Process for the preparation of macrocylic chelants and the chelates thereof with paramagnetic metal ionsInfo
- Publication number
- IL133394A IL133394A IL13339498A IL13339498A IL133394A IL 133394 A IL133394 A IL 133394A IL 13339498 A IL13339498 A IL 13339498A IL 13339498 A IL13339498 A IL 13339498A IL 133394 A IL133394 A IL 133394A
- Authority
- IL
- Israel
- Prior art keywords
- formula
- compound
- process according
- reaction
- give
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 45
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 230000005298 paramagnetic effect Effects 0.000 title claims abstract description 16
- 229910021645 metal ion Inorganic materials 0.000 title description 5
- 150000001875 compounds Chemical class 0.000 claims abstract description 39
- 150000003839 salts Chemical class 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000007864 aqueous solution Substances 0.000 claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims abstract description 15
- 150000002500 ions Chemical class 0.000 claims abstract description 14
- 239000002253 acid Substances 0.000 claims abstract description 13
- 239000012535 impurity Substances 0.000 claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 12
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract description 9
- GKASDNZWUGIAMG-UHFFFAOYSA-N triethyl orthoformate Chemical compound CCOC(OCC)OCC GKASDNZWUGIAMG-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000005804 alkylation reaction Methods 0.000 claims abstract description 7
- 238000011033 desalting Methods 0.000 claims abstract description 7
- 238000011026 diafiltration Methods 0.000 claims abstract description 7
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 6
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 6
- 238000011084 recovery Methods 0.000 claims abstract description 6
- 239000003377 acid catalyst Substances 0.000 claims abstract description 5
- 238000011097 chromatography purification Methods 0.000 claims abstract description 5
- 239000003456 ion exchange resin Substances 0.000 claims abstract description 5
- 229920003303 ion-exchange polymer Polymers 0.000 claims abstract description 5
- GUVXZFRDPCKWEM-UHFFFAOYSA-N pentalene Chemical compound C1=CC2=CC=CC2=C1 GUVXZFRDPCKWEM-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000000746 purification Methods 0.000 claims abstract description 5
- 239000002904 solvent Substances 0.000 claims abstract description 5
- 125000003545 alkoxy group Chemical group 0.000 claims abstract description 4
- 230000029936 alkylation Effects 0.000 claims abstract description 4
- 125000003917 carbamoyl group Chemical group [H]N([H])C(*)=O 0.000 claims abstract description 4
- 238000002425 crystallisation Methods 0.000 claims abstract description 4
- 230000008025 crystallization Effects 0.000 claims abstract description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 4
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims abstract description 4
- 238000010668 complexation reaction Methods 0.000 claims abstract description 3
- 150000002739 metals Chemical class 0.000 claims abstract description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract 3
- 239000001257 hydrogen Substances 0.000 claims abstract 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims abstract 3
- 239000011347 resin Substances 0.000 claims description 13
- 229920005989 resin Polymers 0.000 claims description 13
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 10
- 230000002378 acidificating effect Effects 0.000 claims description 9
- 150000001768 cations Chemical class 0.000 claims description 8
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 7
- 150000002924 oxiranes Chemical class 0.000 claims description 7
- 150000001450 anions Chemical class 0.000 claims description 6
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- GEKNCWQQNMEIMS-UHFFFAOYSA-N 4,4-dimethyl-3,5,8-trioxabicyclo[5.1.0]octane Chemical compound C1OC(C)(C)OCC2OC21 GEKNCWQQNMEIMS-UHFFFAOYSA-N 0.000 claims description 3
- 239000003513 alkali Substances 0.000 claims description 3
- 239000002585 base Substances 0.000 claims description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical group OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 2
- 229910052692 Dysprosium Inorganic materials 0.000 claims description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- 229910052769 Ytterbium Inorganic materials 0.000 claims description 2
- 229910001854 alkali hydroxide Inorganic materials 0.000 claims description 2
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 239000011575 calcium Substances 0.000 claims description 2
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- 150000001732 carboxylic acid derivatives Chemical group 0.000 claims description 2
- WBJINCZRORDGAQ-UHFFFAOYSA-N ethyl formate Chemical compound CCOC=O WBJINCZRORDGAQ-UHFFFAOYSA-N 0.000 claims description 2
- 125000004029 hydroxymethyl group Chemical group [H]OC([H])([H])* 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 239000011591 potassium Substances 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- -1 phenyloxy Chemical group 0.000 abstract description 5
- QBPPRVHXOZRESW-UHFFFAOYSA-N 1,4,7,10-tetraazacyclododecane Chemical compound C1CNCCNCCNCCN1 QBPPRVHXOZRESW-UHFFFAOYSA-N 0.000 abstract description 3
- 150000002118 epoxides Chemical class 0.000 abstract 1
- CBOIHMRHGLHBPB-UHFFFAOYSA-N hydroxymethyl Chemical compound O[CH2] CBOIHMRHGLHBPB-UHFFFAOYSA-N 0.000 abstract 1
- 239000000047 product Substances 0.000 description 22
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 21
- 239000000243 solution Substances 0.000 description 15
- DPNNNPAKRZOSMO-UHFFFAOYSA-K gadoteridol Chemical compound [Gd+3].CC(O)CN1CCN(CC([O-])=O)CCN(CC([O-])=O)CCN(CC([O-])=O)CC1 DPNNNPAKRZOSMO-UHFFFAOYSA-K 0.000 description 14
- 229960005451 gadoteridol Drugs 0.000 description 14
- ZPDFIIGFYAHNSK-CTHHTMFSSA-K 2-[4,10-bis(carboxylatomethyl)-7-[(2r,3s)-1,3,4-trihydroxybutan-2-yl]-1,4,7,10-tetrazacyclododec-1-yl]acetate;gadolinium(3+) Chemical compound [Gd+3].OC[C@@H](O)[C@@H](CO)N1CCN(CC([O-])=O)CCN(CC([O-])=O)CCN(CC([O-])=O)CC1 ZPDFIIGFYAHNSK-CTHHTMFSSA-K 0.000 description 11
- 229960003411 gadobutrol Drugs 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 9
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000001728 nano-filtration Methods 0.000 description 5
- 125000004433 nitrogen atom Chemical group N* 0.000 description 5
- 239000000543 intermediate Substances 0.000 description 4
- 229920001467 poly(styrenesulfonates) Polymers 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- 238000010268 HPLC based assay Methods 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 239000012045 crude solution Substances 0.000 description 3
- 238000010511 deprotection reaction Methods 0.000 description 3
- 238000005342 ion exchange Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- BNWCETAHAJSBFG-UHFFFAOYSA-N tert-butyl 2-bromoacetate Chemical compound CC(C)(C)OC(=O)CBr BNWCETAHAJSBFG-UHFFFAOYSA-N 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 102100024167 C-C chemokine receptor type 3 Human genes 0.000 description 2
- 101710149862 C-C chemokine receptor type 3 Proteins 0.000 description 2
- 229910003317 GdCl3 Inorganic materials 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 238000010494 dissociation reaction Methods 0.000 description 2
- 230000005593 dissociations Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 229940075613 gadolinium oxide Drugs 0.000 description 2
- 229910001938 gadolinium oxide Inorganic materials 0.000 description 2
- MEANOSLIBWSCIT-UHFFFAOYSA-K gadolinium trichloride Chemical compound Cl[Gd](Cl)Cl MEANOSLIBWSCIT-UHFFFAOYSA-K 0.000 description 2
- CMIHHWBVHJVIGI-UHFFFAOYSA-N gadolinium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Gd+3].[Gd+3] CMIHHWBVHJVIGI-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 239000003446 ligand Substances 0.000 description 2
- 238000002595 magnetic resonance imaging Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 125000004430 oxygen atom Chemical group O* 0.000 description 2
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- LXILGZQWYDINMA-UHFFFAOYSA-N 1,4,7,10-tetrazacyclododecane-1-carbaldehyde Chemical compound O=CN1CCNCCNCCNCC1 LXILGZQWYDINMA-UHFFFAOYSA-N 0.000 description 1
- DPNNNPAKRZOSMO-UHFFFAOYSA-N 2-[4,7-bis(carboxymethyl)-10-(2-hydroxypropyl)-1,4,7,10-tetrazacyclododec-1-yl]acetic acid;gadolinium(3+) Chemical compound [Gd+3].CC(O)CN1CCN(CC(O)=O)CCN(CC(O)=O)CCN(CC(O)=O)CC1 DPNNNPAKRZOSMO-UHFFFAOYSA-N 0.000 description 1
- 230000005526 G1 to G0 transition Effects 0.000 description 1
- 150000000921 Gadolinium Chemical class 0.000 description 1
- 101100340769 Homo sapiens ILF2 gene Proteins 0.000 description 1
- ZSXGLVDWWRXATF-UHFFFAOYSA-N N,N-dimethylformamide dimethyl acetal Chemical compound COC(OC)N(C)C ZSXGLVDWWRXATF-UHFFFAOYSA-N 0.000 description 1
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 1
- 102000049951 Nuclear Factor 45 Human genes 0.000 description 1
- 108700031302 Nuclear Factor 45 Proteins 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 239000002168 alkylating agent Substances 0.000 description 1
- 229940100198 alkylating agent Drugs 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 229920001429 chelating resin Polymers 0.000 description 1
- 239000007806 chemical reaction intermediate Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 229940106681 chloroacetic acid Drugs 0.000 description 1
- 239000002872 contrast media Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000012631 diagnostic technique Methods 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 231100001231 less toxic Toxicity 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000005291 magnetic effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 125000005546 pivalic acid group Chemical group 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000004366 reverse phase liquid chromatography Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- PIOSEDPFJPAJKQ-UHFFFAOYSA-M sodium;toluene;hydroxide Chemical compound [OH-].[Na+].CC1=CC=CC=C1 PIOSEDPFJPAJKQ-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- VIOLGJHDEHCJFA-UHFFFAOYSA-N sulfo hydrogen sulfate;1,4,7,10-tetrazacyclododecane Chemical compound OS(=O)(=O)OS(O)(=O)=O.C1CNCCNCCNCCN1 VIOLGJHDEHCJFA-UHFFFAOYSA-N 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000002110 toxicologic effect Effects 0.000 description 1
- 231100000027 toxicology Toxicity 0.000 description 1
- HRJSZZAKOGKNGM-UHFFFAOYSA-K trisodium 2-[4,10-bis(carboxylatomethyl)-7-formyl-1,4,7,10-tetrazacyclododec-1-yl]acetate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CN1CCN(CC([O-])=O)CCN(CCN(CC([O-])=O)CC1)C=O HRJSZZAKOGKNGM-UHFFFAOYSA-K 0.000 description 1
- HRXKRNGNAMMEHJ-UHFFFAOYSA-K trisodium citrate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O HRXKRNGNAMMEHJ-UHFFFAOYSA-K 0.000 description 1
- OKHVSTSMWHWVMK-UHFFFAOYSA-K trisodium;2-[4,7-bis(carboxylatomethyl)-1,4,7,10-tetrazacyclododec-1-yl]acetate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CN1CCNCCN(CC([O-])=O)CCN(CC([O-])=O)CC1 OKHVSTSMWHWVMK-UHFFFAOYSA-K 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D257/00—Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms
- C07D257/02—Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms not condensed with other rings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT97MI001371A IT1292128B1 (it) | 1997-06-11 | 1997-06-11 | Processo per la preparazione di chelanti macrociclici e loro chelati con ioni metallici paramagnetici |
| PCT/EP1998/003308 WO1998056775A1 (en) | 1997-06-11 | 1998-06-03 | A process for the preparation of macrocyclic chelants and the chelates thereof with paramagnetic metal ions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL133394A0 IL133394A0 (en) | 2001-04-30 |
| IL133394A true IL133394A (en) | 2004-02-08 |
Family
ID=11377336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL13339498A IL133394A (en) | 1997-06-11 | 1998-06-03 | Process for the preparation of macrocylic chelants and the chelates thereof with paramagnetic metal ions |
Country Status (15)
| Country | Link |
|---|---|
| US (3) | US5925752A (xx) |
| EP (1) | EP0988294B1 (xx) |
| JP (1) | JP4351299B2 (xx) |
| CN (1) | CN1166649C (xx) |
| AT (1) | ATE308528T1 (xx) |
| AU (1) | AU8110098A (xx) |
| DE (1) | DE69832170T2 (xx) |
| DK (1) | DK0988294T3 (xx) |
| ES (1) | ES2252845T3 (xx) |
| IL (1) | IL133394A (xx) |
| IN (1) | IN185469B (xx) |
| IT (1) | IT1292128B1 (xx) |
| NO (1) | NO313140B1 (xx) |
| WO (1) | WO1998056775A1 (xx) |
| ZA (1) | ZA985025B (xx) |
Families Citing this family (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030017941A1 (en) * | 1997-03-07 | 2003-01-23 | The Procter & Gamble Company | Catalysts and methods for catalytic oxidation |
| US20080125344A1 (en) * | 2006-11-28 | 2008-05-29 | Daryle Hadley Busch | Bleach compositions |
| ZA981883B (en) * | 1997-03-07 | 1998-09-01 | Univ Kansas | Catalysts and methods for catalytic oxidation |
| MA24594A1 (fr) * | 1997-03-07 | 1999-04-01 | Procter & Gamble | Compositions de blanchiment |
| IT1292130B1 (it) * | 1997-06-11 | 1999-01-25 | Bracco Spa | Processo per la preparazione dell'acido 1,4,7,10-tetraazaciclododecan -1,4,7-triacetico e suoi derivati |
| IT1292128B1 (it) * | 1997-06-11 | 1999-01-25 | Bracco Spa | Processo per la preparazione di chelanti macrociclici e loro chelati con ioni metallici paramagnetici |
| US6166201A (en) * | 1999-06-25 | 2000-12-26 | Dibra S.P.A. | Process for the preparation of 1,4,7,10-tetraaza-cyclododecane-1,4,7-triacetic acid and the derivatives thereof |
| US20040048763A1 (en) * | 2002-08-27 | 2004-03-11 | The Procter & Gamble Co. | Bleach compositions |
| US20050192195A1 (en) * | 2002-08-27 | 2005-09-01 | Busch Daryle H. | Catalysts and methods for catalytic oxidation |
| WO2011054480A1 (de) | 2009-11-09 | 2011-05-12 | Bayer Schering Pharma Aktiengesellschaft | Gadobutrolherstellung mittels keramischer membran |
| DE102009057274B4 (de) | 2009-12-02 | 2011-09-01 | Bayer Schering Pharma Aktiengesellschaft | Gadobutrolherstellung mittels Trioxobicyclo-octan |
| DE102009053252B3 (de) * | 2009-11-09 | 2011-09-01 | Bayer Schering Pharma Aktiengesellschaft | Gadobutrolherstellung mittels keramischer Membran |
| DE102010013833A1 (de) | 2010-03-29 | 2011-09-29 | Bayer Schering Pharma Aktiengesellschaft | Herstellung von Gadobutrol mittels Dimethylformamiddimethylacetal |
| CN102399199B (zh) * | 2010-09-19 | 2014-01-08 | 广州康臣药物研究有限公司 | 一种磁共振成像造影剂的制备方法 |
| EA201600272A1 (ru) * | 2011-04-21 | 2016-12-30 | Байер Интеллектчуал Проперти Гмбх | Получение гадобутрола высокой чистоты |
| US10195295B2 (en) | 2014-02-06 | 2019-02-05 | T2Pharma Gmbh | Process for purifying 1,4,7,10-tetra-azacyclododecane-1,4,7,10-tetraacetic acid |
| GB201421162D0 (en) | 2014-11-28 | 2015-01-14 | Ge Healthcare As | Lanthanide complex formulations |
| CA3002897C (en) | 2015-12-10 | 2022-03-29 | Bracco Imaging Spa | Dimeric contrast agents |
| JP6840148B2 (ja) | 2015-12-10 | 2021-03-10 | ブラッコ・イメージング・ソシエタ・ペル・アチオニＢｒａｃｃｏ Ｉｍａｇｉｎｇ Ｓ．Ｐ．Ａ． | 造影剤 |
| US10793533B2 (en) | 2016-12-12 | 2020-10-06 | Bracco Imaging S.P.A. | Dimeric contrast agents |
| CN109293592A (zh) * | 2017-07-24 | 2019-02-01 | 天津科伦药物研究有限公司 | 一种制备钆布醇的方法 |
| KR101971435B1 (ko) * | 2017-08-29 | 2019-04-24 | 주식회사 엔지켐생명과학 | 가도부트롤 중간체 및 이를 이용한 가도부트롤의 제조 방법 |
| CN108047151B (zh) * | 2018-01-03 | 2020-08-04 | 广州康瑞泰药业有限公司 | 一种高收率钆布醇的制备方法 |
| EP4083026A1 (en) * | 2018-07-10 | 2022-11-02 | Biophore India Pharmaceuticals Pvt. Ltd. | Process for the preparation of 2,2',2''-(10-((2r,3s)-1,3,4-trihydroxy butan-2-yl)-1,4,7,10-tetraazacyclododecane-1,4,7-triyl) triacetic acid and its complexes |
| EP3870569A4 (en) * | 2018-10-24 | 2022-08-24 | Biophore India Pharmaceuticals Pvt. Ltd. | NEW PROCESS FOR THE PREPARATION OF MACROCYCLIC CHELATING TRIACETIC ACID 2,2',2''-(10-(2-HYDROXYPROPYL)-1,4,7,10-TETRA AZACYCLODODECANE-1,4,7-TRIYL) AND ITS COMPLEXES WITH PARAMAGNETIC METALLIC IONS |
| FR3091873B1 (fr) | 2019-01-17 | 2020-12-25 | Guerbet Sa | Complexe de gadolinium et d’un ligand chelateur derive de pcta diastereoisomeriquement enrichi et procede de preparation et de purification |
| US20200397924A1 (en) * | 2019-01-28 | 2020-12-24 | Hubei Tianshu Pharmaceutical Co., Ltd | Preparation method of intermediate of gadolinium-based ionic contrast agent and use thereof |
| CN110776649B (zh) * | 2019-11-11 | 2021-10-26 | 重庆师范大学 | 含蒽基的镉-有机超分子聚合物及其制备方法与应用 |
| CN111039885B (zh) * | 2019-12-06 | 2021-03-05 | 广州康瑞泰药业有限公司 | 一种制备高纯度考布曲钙的方法 |
| EP4073045B1 (en) | 2019-12-13 | 2024-03-20 | Bracco Imaging SPA | Manufacturing of protected do3a |
| EP4255894A1 (en) * | 2020-12-04 | 2023-10-11 | Bracco Imaging SPA | Manufacturing process for preparing gadoteridol |
| CN113527223B (zh) * | 2021-06-22 | 2023-05-09 | 安徽普利药业有限公司 | 一种钆布醇的精制方法 |
| CN114085192B (zh) * | 2021-12-30 | 2023-09-19 | 海南普利制药股份有限公司 | 一种钆特醇中间体的精制方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4085106A (en) * | 1976-01-07 | 1978-04-18 | E. I. Du Pont De Nemours And Company | Bicyclic and tricyclic trisaminomethanes |
| US4885363A (en) * | 1987-04-24 | 1989-12-05 | E. R. Squibb & Sons, Inc. | 1-substituted-1,4,7-triscarboxymethyl-1,4,7,10-tetraazacyclododecane and analogs |
| DE4035760A1 (de) * | 1990-11-08 | 1992-05-14 | Schering Ag | Mono-n-substituierte 1,4,7,10-tetraazacyclododecan-derivate, verfahren zu ihrer herstellung und diese enthaltende pharmazeutische mittel |
| US5447635A (en) * | 1991-02-26 | 1995-09-05 | Bracco International B.V. | Process of concentration and purification of organic compounds |
| DE4237943C2 (de) * | 1992-11-06 | 1997-10-23 | Schering Ag | Verfahren zur Herstellung von Metallkomplexen der N-beta-Hydroxyalkyl-tri-N-carboxyalkyl-1,4,7,10-tetraazacyclododecan- und N-beta-Hydroxyalkyl-tri-N-carboxyalkyl-1,4,8,11-tetraazacyclotetradecan-Derivate |
| DE4218744C2 (de) * | 1992-06-04 | 1997-11-06 | Schering Ag | Verfahren zur Herstellung von N-ß-Hxdroxyalkyl-tri-N-carboxylalkyl-1,4,7,10-tetraazacyclododecan- und N-ß-Hydroxyalkyl-tri-N-carboxyalkyl-1,4,8,11-tetraazacyclotetradecan-Derivaten und deren Metallkomplexe |
| DE4318369C1 (de) * | 1993-05-28 | 1995-02-09 | Schering Ag | Verwendung von makrocyclischen Metallkomplexen als Temperatursonden |
| IT1292128B1 (it) * | 1997-06-11 | 1999-01-25 | Bracco Spa | Processo per la preparazione di chelanti macrociclici e loro chelati con ioni metallici paramagnetici |
-
1997
- 1997-06-11 IT IT97MI001371A patent/IT1292128B1/it active IP Right Grant
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1998
- 1998-06-03 WO PCT/EP1998/003308 patent/WO1998056775A1/en active IP Right Grant
- 1998-06-03 EP EP98930787A patent/EP0988294B1/en not_active Expired - Lifetime
- 1998-06-03 IL IL13339498A patent/IL133394A/en not_active IP Right Cessation
- 1998-06-03 ES ES98930787T patent/ES2252845T3/es not_active Expired - Lifetime
- 1998-06-03 AU AU81100/98A patent/AU8110098A/en not_active Abandoned
- 1998-06-03 DE DE69832170T patent/DE69832170T2/de not_active Expired - Lifetime
- 1998-06-03 CN CNB988060035A patent/CN1166649C/zh not_active Expired - Lifetime
- 1998-06-03 AT AT98930787T patent/ATE308528T1/de active
- 1998-06-03 JP JP50149799A patent/JP4351299B2/ja not_active Expired - Lifetime
- 1998-06-03 DK DK98930787T patent/DK0988294T3/da active
- 1998-06-10 ZA ZA985025A patent/ZA985025B/xx unknown
- 1998-06-10 IN IN1251MA1998 patent/IN185469B/en unknown
- 1998-06-10 US US09/095,015 patent/US5925752A/en not_active Expired - Lifetime
-
1999
- 1999-05-24 US US09/317,272 patent/US6046324A/en not_active Expired - Lifetime
- 1999-05-24 US US09/317,271 patent/US6042810A/en not_active Expired - Lifetime
- 1999-12-09 NO NO19996077A patent/NO313140B1/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DK0988294T3 (da) | 2006-02-13 |
| US6046324A (en) | 2000-04-04 |
| DE69832170T2 (de) | 2006-07-13 |
| NO996077D0 (no) | 1999-12-09 |
| IT1292128B1 (it) | 1999-01-25 |
| JP4351299B2 (ja) | 2009-10-28 |
| ITMI971371A0 (xx) | 1997-06-11 |
| NO313140B1 (no) | 2002-08-19 |
| US5925752A (en) | 1999-07-20 |
| JP2002510296A (ja) | 2002-04-02 |
| ITMI971371A1 (it) | 1998-12-11 |
| IL133394A0 (en) | 2001-04-30 |
| CN1166649C (zh) | 2004-09-15 |
| WO1998056775A1 (en) | 1998-12-17 |
| CN1259939A (zh) | 2000-07-12 |
| ES2252845T3 (es) | 2006-05-16 |
| EP0988294B1 (en) | 2005-11-02 |
| AU8110098A (en) | 1998-12-30 |
| NO996077L (no) | 2000-02-10 |
| IN185469B (xx) | 2001-01-27 |
| DE69832170D1 (de) | 2005-12-08 |
| EP0988294A1 (en) | 2000-03-29 |
| ATE308528T1 (de) | 2005-11-15 |
| ZA985025B (en) | 1999-01-25 |
| US6042810A (en) | 2000-03-28 |
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