RO83690B1 - Procedeu de preparare a sarii disodice a acidului o-xililendisulfonic - Google Patents
Procedeu de preparare a sarii disodice a acidului o-xililendisulfonicInfo
- Publication number
- RO83690B1 RO83690B1 RO106075A RO10607581A RO83690B1 RO 83690 B1 RO83690 B1 RO 83690B1 RO 106075 A RO106075 A RO 106075A RO 10607581 A RO10607581 A RO 10607581A RO 83690 B1 RO83690 B1 RO 83690B1
- Authority
- RO
- Romania
- Prior art keywords
- xylylene
- preparing
- disulphonic acid
- alpha
- salt
- Prior art date
Links
- OPTBGJNIZFEJGV-UHFFFAOYSA-N [2-(sulfomethyl)phenyl]methanesulfonic acid Chemical compound OS(=O)(=O)CC1=CC=CC=C1CS(O)(=O)=O OPTBGJNIZFEJGV-UHFFFAOYSA-N 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title 1
- 150000003839 salts Chemical class 0.000 title 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 abstract 2
- QSSAZDNARJWYEF-UHFFFAOYSA-N 1-(dibromomethyl)-2-methylbenzene Chemical group CC1=CC=CC=C1C(Br)Br QSSAZDNARJWYEF-UHFFFAOYSA-N 0.000 abstract 1
- QXNVGIXVLWOKEQ-UHFFFAOYSA-N Disodium Chemical class [Na][Na] QXNVGIXVLWOKEQ-UHFFFAOYSA-N 0.000 abstract 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 abstract 1
- 229910052794 bromium Inorganic materials 0.000 abstract 1
- 125000001246 bromo group Chemical group Br* 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 230000016507 interphase Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- GBMDVOWEEQVZKZ-UHFFFAOYSA-N methanol;hydrate Chemical compound O.OC GBMDVOWEEQVZKZ-UHFFFAOYSA-N 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229910052938 sodium sulfate Inorganic materials 0.000 abstract 1
- 235000011152 sodium sulphate Nutrition 0.000 abstract 1
- 125000000542 sulfonic acid group Chemical group 0.000 abstract 1
- -1 tetrabutylammonium bismuth Chemical compound 0.000 abstract 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
Abstract
Inventia se refera la un procedeu de preparare a sarii disodice a acidului o-xililendisulfonic prin reactia dintre alfa, alfa-dibrom-orto-xilen si sulfat de sodiu la temperatura de90 degree C, prin care în scopul obtinerii unui înalt grad de puritate necesar utilizarii compusului obtinut în industria materialelor foto, se substituie bromul cu gruparea sulfonica prin transfer interfazic în prezenta catalizatorului brimura de tetrabutilamoniu, utilizînd un amestec de apa-metanol în raport în greutate de0,75 : 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO106075A RO83690B1 (ro) | 1981-12-23 | 1981-12-23 | Procedeu de preparare a sarii disodice a acidului o-xililendisulfonic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO106075A RO83690B1 (ro) | 1981-12-23 | 1981-12-23 | Procedeu de preparare a sarii disodice a acidului o-xililendisulfonic |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO83690A2 RO83690A2 (ro) | 1984-03-15 |
| RO83690B1 true RO83690B1 (ro) | 1984-03-30 |
Family
ID=20110801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO106075A RO83690B1 (ro) | 1981-12-23 | 1981-12-23 | Procedeu de preparare a sarii disodice a acidului o-xililendisulfonic |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO83690B1 (ro) |
-
1981
- 1981-12-23 RO RO106075A patent/RO83690B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO83690A2 (ro) | 1984-03-15 |
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