UY33442A - PROCEDURE FOR THE PREPARATION OF DIADCIDE 3,6,9-TRIAZA-3,6,9-TRIS (CARBOXIMETHYL) -4- (4-ETOXIBENCIL) -CONDECANOICO CRISTALINO AND THE USE FOR THE PREPARATION OF PRIMOVISTO - Google Patents
PROCEDURE FOR THE PREPARATION OF DIADCIDE 3,6,9-TRIAZA-3,6,9-TRIS (CARBOXIMETHYL) -4- (4-ETOXIBENCIL) -CONDECANOICO CRISTALINO AND THE USE FOR THE PREPARATION OF PRIMOVISTOInfo
- Publication number
- UY33442A UY33442A UY33442A UY33442A UY33442A UY 33442 A UY33442 A UY 33442A UY 33442 A UY33442 A UY 33442A UY 33442 A UY33442 A UY 33442A UY 33442 A UY33442 A UY 33442A
- Authority
- UY
- Uruguay
- Prior art keywords
- preparation
- triaza
- tris
- primovisto
- etoxibencil
- Prior art date
Links
- 239000007983 Tris buffer Substances 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 2
- -1 tert-butoxycarbonylmethyl Chemical group 0.000 abstract 4
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 abstract 2
- CZUNFKXAWKESPC-UHFFFAOYSA-N 2-[2-[[2-[bis(carboxymethyl)amino]-3-(4-ethoxyphenyl)propyl]-(carboxymethyl)amino]ethyl-ethylamino]acetic acid Chemical compound CCOC1=CC=C(CC(CN(CCN(CC)CC(O)=O)CC(O)=O)N(CC(O)=O)CC(O)=O)C=C1 CZUNFKXAWKESPC-UHFFFAOYSA-N 0.000 abstract 1
- 229910052688 Gadolinium Inorganic materials 0.000 abstract 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 150000005690 diesters Chemical class 0.000 abstract 1
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 abstract 1
- 238000007127 saponification reaction Methods 0.000 abstract 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
La invención se refiere a un procedimiento para la preparación de diácido 3,6,9-triaza-3,6,9-tris(carboximetil)-4-(4-etoxibencil)-undecanoico cristalino de la fórmula I por saponificación de éster di-ter-butílico del diácido 3.6.9-triaza-3,6,9-tris(ter-butoxicarbonilmetil)-4-(4-etoxibencil)-undecanoico de la fórmula II en una soluciónacuosa de hidróxido de metal alcalino y al uso de diácido 3,6,9-triaza-3,6,9-tris(carboximetil)-4-(4-etoxibencil)-undecanoico de la fórmula I para la preparación del complejo de gadolinio de diácido 3.6.9-triaza-3,6,9-tris(carboximetil)-4-(4-etoxibencil)-undecanoicoThe invention relates to a process for the preparation of crystalline crystalline 3,6,9-triaza-3,6,9-tris (carboxymethyl) -4- (4-ethoxybenzyl) -undecanoic acid of formula I by saponification of di ester -3,6,9-triaza-3,6,9-tris (tert-butoxycarbonylmethyl) -4- (4-ethoxybenzyl) -undecanoic diacid-butyl ester of the formula II in an aqueous solution of alkali metal hydroxide and the use of 3,6,9-triaza-3,6,9-tris (carboxymethyl) -4- (4-ethoxybenzyl) -undecanoic diacid of the formula I for the preparation of the gadolinium complex of diacid 3.6.9-triaza-3, 6,9-tris (carboxymethyl) -4- (4-ethoxybenzyl) -undecanoic
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201010023890 DE102010023890A1 (en) | 2010-06-11 | 2010-06-11 | Preparing crystalline 3,6,9-triaza-3,6,9-tris(carboxymethyl)-4-(ethoxybenzyl)-undecanedioic acid comprises hydrolyzing 3,6,9-triaza-3,6,9-tris(tert-butoxy-carbonylmethyl)-4-(ethoxybenzyl)-undecanedioic acid-ditert-butylester and acidifying |
| BRPI2002466 | 2010-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| UY33442A true UY33442A (en) | 2012-01-31 |
Family
ID=45510457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| UY33442A UY33442A (en) | 2010-06-11 | 2011-06-09 | PROCEDURE FOR THE PREPARATION OF DIADCIDE 3,6,9-TRIAZA-3,6,9-TRIS (CARBOXIMETHYL) -4- (4-ETOXIBENCIL) -CONDECANOICO CRISTALINO AND THE USE FOR THE PREPARATION OF PRIMOVISTO |
Country Status (1)
| Country | Link |
|---|---|
| UY (1) | UY33442A (en) |
-
2011
- 2011-06-09 UY UY33442A patent/UY33442A/en not_active Application Discontinuation
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 109 | Application deemed to be withdrawn |
Effective date: 20200807 |