RO92960B1 - Procedeu de obtinere a 2-hidroxi-1-naftaldehidei - Google Patents
Procedeu de obtinere a 2-hidroxi-1-naftaldehideiInfo
- Publication number
- RO92960B1 RO92960B1 RO122156A RO12215686A RO92960B1 RO 92960 B1 RO92960 B1 RO 92960B1 RO 122156 A RO122156 A RO 122156A RO 12215686 A RO12215686 A RO 12215686A RO 92960 B1 RO92960 B1 RO 92960B1
- Authority
- RO
- Romania
- Prior art keywords
- naphthaldehyde
- hydroxy
- obtaining
- reaction mass
- sulfuric acid
- Prior art date
Links
- NTCCNERMXRIPTR-UHFFFAOYSA-N 2-hydroxy-1-naphthaldehyde Chemical compound C1=CC=CC2=C(C=O)C(O)=CC=C21 NTCCNERMXRIPTR-UHFFFAOYSA-N 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- JWAZRIHNYRIHIV-UHFFFAOYSA-N 2-naphthol Chemical compound C1=CC=CC2=CC(O)=CC=C21 JWAZRIHNYRIHIV-UHFFFAOYSA-N 0.000 abstract 2
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 abstract 2
- 229950011260 betanaphthol Drugs 0.000 abstract 1
- 239000012895 dilution Substances 0.000 abstract 1
- 238000010790 dilution Methods 0.000 abstract 1
- 239000004312 hexamethylene tetramine Substances 0.000 abstract 1
- 235000010299 hexamethylene tetramine Nutrition 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Inventia se refera la un procedeu de obtinere a 2-hidroxi-1-naftaldehidei prin reactia beta -naftolului cu hexametilentetramina în mediu de acid acetic si acid sulfuric la temperatura de 90...100 degree C, dupa care masa de reactie se dilueaza cu apa, constînd în aceea ca acidul sulfuric utilizat are concentratie 50%, iar dupa diluarea masei de reactie obtinute, se neutralizeaza cu o solutie de NaOH 25...30/% pîna la ph = 2,5...3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO122156A RO92960B1 (ro) | 1986-02-07 | 1986-02-07 | Procedeu de obtinere a 2-hidroxi-1-naftaldehidei |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO122156A RO92960B1 (ro) | 1986-02-07 | 1986-02-07 | Procedeu de obtinere a 2-hidroxi-1-naftaldehidei |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO92960A2 RO92960A2 (ro) | 1987-11-30 |
| RO92960B1 true RO92960B1 (ro) | 1987-12-01 |
Family
ID=20118988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO122156A RO92960B1 (ro) | 1986-02-07 | 1986-02-07 | Procedeu de obtinere a 2-hidroxi-1-naftaldehidei |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO92960B1 (ro) |
-
1986
- 1986-02-07 RO RO122156A patent/RO92960B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO92960A2 (ro) | 1987-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0464325A3 (en) | Process for the preparation of l-ornithine salts | |
| KR890000426A (ko) | 퀴놀린의 제법 | |
| RO92960B1 (ro) | Procedeu de obtinere a 2-hidroxi-1-naftaldehidei | |
| SE7609787L (sv) | Forfarande for framstellning av tval | |
| KR840001530A (ko) | 분산제 조성물 | |
| ATE73755T1 (de) | Verfahren zur industrieproduktion der wasserloesungen von glyoxylsaeure. | |
| KR870011207A (ko) | 아조안료의 제조 방법 | |
| RO91090B1 (ro) | Procedeu de obtinere a sarurilor acidului salicilic cu metalele alcaline | |
| GB1384194A (en) | Process for the production of trisodium or tripotassium citrate | |
| SU539856A1 (ru) | Способ получени комплексных минеральных удобрений | |
| RU1779289C (ru) | Способ определени железа в адипиновой кислоте | |
| RO93223B1 (ro) | Procedeu pentru obtinerea para-dimetilaminocinamaldehidei | |
| RO81906B1 (ro) | Procedeu de obtinere a bis-metioninatului de cupru | |
| SU761479A1 (ru) | Способ получения сульфокатионита 1 | |
| SE8400614D0 (sv) | Forfarande for framstellning av ureid innehallande rikligt med kveve och anvendningar av forfarandet | |
| RO96439B1 (ro) | Procedeu de obtinere a citratului disodic reactiv pentru analiza | |
| SU394305A1 (ru) | Способ получения сульфата аммония | |
| SU433242A1 (ro) | ||
| SU498281A1 (ru) | Способ получени диоксиацетона | |
| RO79323B1 (ro) | Procedeu de obtinere a p-toluensulfonamidei | |
| RO82567B1 (ro) | Procedeu pentru prepararea azodicarboxamidei | |
| RO82413B1 (ro) | Procedeu de preparare a alfa-etil-alfa-fenilglutarimidei | |
| GB1417363A (en) | Process for the production of 4,5-imidazoledicarboxyamide | |
| Moore et al. | ι-Aurothio Fatty Acids and their Salts | |
| RO88237B1 (ro) | Procedeu de obtinere a tioglicolatului de amoniu |