RO87989B1 - Procedeu de obtinere a fenilmalonatului de dietil - Google Patents
Procedeu de obtinere a fenilmalonatului de dietilInfo
- Publication number
- RO87989B1 RO87989B1 RO111054A RO11105483A RO87989B1 RO 87989 B1 RO87989 B1 RO 87989B1 RO 111054 A RO111054 A RO 111054A RO 11105483 A RO11105483 A RO 11105483A RO 87989 B1 RO87989 B1 RO 87989B1
- Authority
- RO
- Romania
- Prior art keywords
- diethyl phenylmalonate
- distilled
- organic layer
- obtaining diethyl
- ethyl carbonate
- Prior art date
Links
- FGYDHYCFHBSNPE-UHFFFAOYSA-N diethyl phenylmalonate Chemical compound CCOC(=O)C(C(=O)OCC)C1=CC=CC=C1 FGYDHYCFHBSNPE-UHFFFAOYSA-N 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 239000012044 organic layer Substances 0.000 abstract 2
- JLIDRDJNLAWIKT-UHFFFAOYSA-N 1,2-dimethyl-3h-benzo[e]indole Chemical compound C1=CC=CC2=C(C(=C(C)N3)C)C3=CC=C21 JLIDRDJNLAWIKT-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- DULCUDSUACXJJC-UHFFFAOYSA-N benzeneacetic acid ethyl ester Natural products CCOC(=O)CC1=CC=CC=C1 DULCUDSUACXJJC-UHFFFAOYSA-N 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- CQDGTJPVBWZJAZ-UHFFFAOYSA-N monoethyl carbonate Chemical compound CCOC(O)=O CQDGTJPVBWZJAZ-UHFFFAOYSA-N 0.000 abstract 1
- 230000003472 neutralizing effect Effects 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 239000011541 reaction mixture Substances 0.000 abstract 1
- AFQCYAJUSXIRJO-UHFFFAOYSA-M sodium;ethyl carbonate Chemical compound [Na+].CCOC([O-])=O AFQCYAJUSXIRJO-UHFFFAOYSA-M 0.000 abstract 1
- 238000005292 vacuum distillation Methods 0.000 abstract 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Inventia se refera la un procedeu de obtinere a fenilmalonatului de dietil si consta în aceea ca peste amestecul de fenilacetat de etil si carbonat de etil se adauga sodiu metalic, se încalzeste amestecul de reactie la 100...105 degree C, se neutralizeaza cu acid clorhidric, se separa straturile formate, se distileaza stratul organic, din care se recupereaza carbonatul de etil care se recircula, reziduul fiind supus unei distilari fractionate în vid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO83111054A RO87989A2 (ro) | 1983-05-25 | 1983-05-25 | Procedeu de obtinere a fenilmalonatului de dietil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO83111054A RO87989A2 (ro) | 1983-05-25 | 1983-05-25 | Procedeu de obtinere a fenilmalonatului de dietil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO87989B1 true RO87989B1 (ro) | 1985-10-31 |
| RO87989A2 RO87989A2 (ro) | 1985-11-30 |
Family
ID=20113127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO83111054A RO87989A2 (ro) | 1983-05-25 | 1983-05-25 | Procedeu de obtinere a fenilmalonatului de dietil |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO87989A2 (ro) |
-
1983
- 1983-05-25 RO RO83111054A patent/RO87989A2/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO87989A2 (ro) | 1985-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3260280D1 (en) | Process for the preparation of isosorbid-5-nitrate | |
| RO87989B1 (ro) | Procedeu de obtinere a fenilmalonatului de dietil | |
| JPS5770830A (en) | Synthesis of pyrocatechol and hydroquinone | |
| ES2035864T3 (es) | Procedimiento. | |
| JPS57149239A (en) | Preparation of methacrylic acid | |
| RO92537B1 (ro) | Procedeu de obtinere a acetatului de 1-butoxi-2-propanol | |
| ATE23706T1 (de) | Verfahren zur trennung eines im wesentlichen nbutene und butane enthaltenden c4kohlenwasserstoffgemisches. | |
| JPS5745114A (en) | Preparation of 1,2-diphenylethane | |
| CS247675B1 (cs) | Způsob dělení složek kollidinové frakce | |
| KR880011072A (ko) | 디알킬 말리에이트로 부터 모노알킬 말리에이트의 분리방법 | |
| RO83120B1 (ro) | Procedeu de preparare a 1, 1, 2-triariletenelor | |
| RO100384B1 (ro) | Procedeu de obtinere a oxiclorurii de zinc | |
| CS249336B1 (cs) | Způsob dělení složek kollidinové frakce | |
| RO86395B1 (ro) | Procedeu de separare a dialilaminei | |
| RO82967B (ro) | Procedeu de obtinere a anhidridei izobutirice | |
| RO97202B1 (ro) | Procedeu de obtinere a polimetil-h-siloxanilor | |
| RO84820B1 (ro) | Procedeu de obtinere a metacrilatului de glicidil | |
| RO92141B1 (ro) | Procedeu de purificare a sarii de sodiu a acidului o-(2, 6-diclorani«ino)-fenilacetic | |
| RO99126B1 (ro) | Procedeu pentru obtinerea unor hidrocarburi fluorobromurate | |
| RO91091B1 (ro) | Procedeu de purificare a acidului p-hidroxibenzoic | |
| TH31399A (th) | กระบวนการสำหรับการเวิร์คอัพมาเธอร์ลิควอร์จากการผลิตบิสฟีนอล | |
| GB1321767A (en) | Method for separation of cresol from cymene | |
| YU191483A (en) | Process for the manufacture of bitumen of a high penetration index by the addition of the distillation residue of batyy acids | |
| JPS5718655A (en) | Preparation of acetone cyanhydrin | |
| JPS57106503A (en) | Separation of hydrogen fluoride |