RO86749B1 - Procedeu de preparare a esterului metilic al acidului 2-cetogluconic - Google Patents
Procedeu de preparare a esterului metilic al acidului 2-cetogluconicInfo
- Publication number
- RO86749B1 RO86749B1 RO110256A RO11025683A RO86749B1 RO 86749 B1 RO86749 B1 RO 86749B1 RO 110256 A RO110256 A RO 110256A RO 11025683 A RO11025683 A RO 11025683A RO 86749 B1 RO86749 B1 RO 86749B1
- Authority
- RO
- Romania
- Prior art keywords
- preparation
- acid
- potassium salt
- metal ester
- ketogluconic acid
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 238000002360 preparation method Methods 0.000 title abstract 2
- VBUYCZFBVCCYFD-JJYYJPOSSA-N 2-dehydro-D-gluconic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)C(=O)C(O)=O VBUYCZFBVCCYFD-JJYYJPOSSA-N 0.000 title 1
- 150000002148 esters Chemical class 0.000 title 1
- 239000002184 metal Substances 0.000 title 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 6
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 abstract 3
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 3
- 150000004702 methyl esters Chemical class 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 1
- 230000001476 alcoholic effect Effects 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000010511 deprotection reaction Methods 0.000 abstract 1
- 150000004715 keto acids Chemical class 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 metilic al acidului 2-cetogloconic, prin care punerea în libertate a cetoacidului din sarea de potasiu, deprotejarea functiilor alcoolice si obtinerea esterului metilic au loc într-o singura etapa de reactie prin solvirea sarii de potasiu a diaceton-cetoacidului în metanol si adaugarea de acid sulfuric concentrat, în raport molar între sarea de potasiu a acidului diaceton-2-cetogluconic:metanol:acid sulfuric de 0,31:18,75:0,704 si refluxare timp de 4h.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO7895422A RO76598A2 (ro) | 1978-10-18 | 1978-10-18 | Procedeu de preparare a esterului metilic a- acidului d-arabinohexulosonicului |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO86749A3 RO86749A3 (ro) | 1985-04-17 |
| RO86749B1 true RO86749B1 (ro) | 1985-05-01 |
Family
ID=20102999
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO7895422A RO76598A2 (ro) | 1978-10-18 | 1978-10-18 | Procedeu de preparare a esterului metilic a- acidului d-arabinohexulosonicului |
| RO110256A RO86749B1 (ro) | 1978-10-18 | 1983-03-07 | Procedeu de preparare a esterului metilic al acidului 2-cetogluconic |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO7895422A RO76598A2 (ro) | 1978-10-18 | 1978-10-18 | Procedeu de preparare a esterului metilic a- acidului d-arabinohexulosonicului |
Country Status (1)
| Country | Link |
|---|---|
| RO (2) | RO76598A2 (ro) |
-
1978
- 1978-10-18 RO RO7895422A patent/RO76598A2/ro unknown
-
1983
- 1983-03-07 RO RO110256A patent/RO86749B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO76598A2 (ro) | 1981-05-30 |
| RO86749A3 (ro) | 1985-04-17 |
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