RO96382B1 - Procedeu de preparare a esterului etilic al acidului brompiruvic - Google Patents
Procedeu de preparare a esterului etilic al acidului brompiruvicInfo
- Publication number
- RO96382B1 RO96382B1 RO126711A RO12671187A RO96382B1 RO 96382 B1 RO96382 B1 RO 96382B1 RO 126711 A RO126711 A RO 126711A RO 12671187 A RO12671187 A RO 12671187A RO 96382 B1 RO96382 B1 RO 96382B1
- Authority
- RO
- Romania
- Prior art keywords
- preparing
- bromopyruvic acid
- ethylic ester
- ester
- bromopyruvic
- Prior art date
Links
- PRRZDZJYSJLDBS-UHFFFAOYSA-N 3-bromo-2-oxopropanoic acid Chemical compound OC(=O)C(=O)CBr PRRZDZJYSJLDBS-UHFFFAOYSA-N 0.000 title abstract 2
- 150000002148 esters Chemical class 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- LZCLXQDLBQLTDK-UHFFFAOYSA-N ethyl 2-hydroxypropanoate Chemical compound CCOC(=O)C(C)O LZCLXQDLBQLTDK-UHFFFAOYSA-N 0.000 abstract 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 abstract 2
- 230000031709 bromination Effects 0.000 abstract 1
- 238000005893 bromination reaction Methods 0.000 abstract 1
- VRLDVERQJMEPIF-UHFFFAOYSA-N dbdmh Chemical compound CC1(C)N(Br)C(=O)N(Br)C1=O VRLDVERQJMEPIF-UHFFFAOYSA-N 0.000 abstract 1
- 125000004494 ethyl ester group Chemical group 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 238000010992 reflux Methods 0.000 abstract 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Inventia se refera la un procedeu de preparare a esterului etilic al acidului brompiruvic cu randament de 83...87% prin bromurarea si oxidarea concomitenta a esterului etilic al acidului lactic cu 1,3-dibrom-5,5-dimetilhidatoina, în mediu de tetraclorura de carbon, timp de 1 h, la reflux.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO126711A RO96382B1 (ro) | 1987-01-23 | 1987-01-23 | Procedeu de preparare a esterului etilic al acidului brompiruvic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO126711A RO96382B1 (ro) | 1987-01-23 | 1987-01-23 | Procedeu de preparare a esterului etilic al acidului brompiruvic |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO96382A2 RO96382A2 (ro) | 1989-05-30 |
| RO96382B1 true RO96382B1 (ro) | 1989-06-02 |
Family
ID=20120373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO126711A RO96382B1 (ro) | 1987-01-23 | 1987-01-23 | Procedeu de preparare a esterului etilic al acidului brompiruvic |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO96382B1 (ro) |
-
1987
- 1987-01-23 RO RO126711A patent/RO96382B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO96382A2 (ro) | 1989-05-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3781381D1 (de) | Ferrierite, verfahren zu ihrer herstellung und ihre verwendung. | |
| RO86257B (ro) | Procedeu pentru prepararea de acid d-lactic | |
| RO96382B1 (ro) | Procedeu de preparare a esterului etilic al acidului brompiruvic | |
| DE3564431D1 (en) | Process for the preparation of storage-stable benzothiazole-sulfenamides | |
| MY107026A (en) | Process for preparing sertraline intermediate. | |
| ATE113044T1 (de) | Verfahren zur umwandlung des niedrigschmelzenden polymorphs von buspirone hydrochlorid in das höherschmelzende. | |
| ATE67175T1 (de) | Verfahren zur herstellung von 6-alkoxy-5trifluormethyl-1-naphthoesaeuren und 1-cyanonaphthalenzwischenprodukten. | |
| FR2457867A1 (fr) | Nouveaux derives d'hydroxyamino-eburnane : leur procede de preparation, intermediaires utilises et utilisation comme medicament et comme intermediaire | |
| DE3480413D1 (en) | Production of alloy steels using chemically prepared v2o3 as a vanadium additive | |
| BE1003124A5 (fr) | Preparation d'ethenes substitues. | |
| FI77893B (fi) | Foerfarande foer framstaellning av indanylderivat. | |
| DE3580165D1 (de) | Verfahren zur herstellung reiner dialkylsuccinate. | |
| JPS5665841A (en) | Purification of lactic acid | |
| DK0564770T3 (da) | Diacetylproduktion | |
| RO96851B1 (ro) | Procedeu de preparare a clorhidratului de tiramina | |
| ES8703940A1 (es) | Procedimiento para mejorar la forjabilidad de un acero ino- xidable austenoferritico y limitar la fragilidad de los pro-ductos trabajados obtenidos | |
| HU913969D0 (en) | Method for producing (s)-vinyl- and allenyl-gaba | |
| ES8403110A1 (es) | Un procedimiento para la preparacion de pirbuterol. | |
| FR2416212A1 (fr) | Procede de preparation de l'anthraquinone | |
| DE2366505C2 (de) | Verwendung des Stammes Pseudomonas ATCC 21973 zur in situ-Herstellung einer Aminotransferase | |
| Plumlee et al. | STUDIES ON BROMINE-OXIDIZABLE SULFUR-CONTAINING COMPOUNDS IN MOLD METABOLISM | |
| HUT44082A (en) | Process for producing 4-androstane-3,17-dion and 1,4-androstadien-3,17-dion | |
| RO93555B1 (ro) | Procedeu de purificare a fosfatului primar de potasiu | |
| PT81014A (en) | Process for preparing the crystalline sodium salt of d-6-<alpha-<(2-oxo-3-furfurylideneamine-imidazolidin-1-yl)-carbonylamino>-2-thienyl-acetamido> -penicillanic acid useful as medicament | |
| Pochmarski et al. | Process for the Production of a Microkilled Steel for Cold-Working on a Continuous Caster Without Stoppage |