RO86593B1 - Saruri cuaternare de piridiniu si procedeu de preparare a acestora - Google Patents
Saruri cuaternare de piridiniu si procedeu de preparare a acestoraInfo
- Publication number
- RO86593B1 RO86593B1 RO110725A RO11072583A RO86593B1 RO 86593 B1 RO86593 B1 RO 86593B1 RO 110725 A RO110725 A RO 110725A RO 11072583 A RO11072583 A RO 11072583A RO 86593 B1 RO86593 B1 RO 86593B1
- Authority
- RO
- Romania
- Prior art keywords
- acid
- alkyl
- reaction
- alcohol
- preparing
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 150000003839 salts Chemical group 0.000 title abstract 2
- JUJWROOIHBZHMG-UHFFFAOYSA-O pyridinium Chemical compound C1=CC=[NH+]C=C1 JUJWROOIHBZHMG-UHFFFAOYSA-O 0.000 title 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 abstract 3
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical group C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 abstract 3
- 125000000217 alkyl group Chemical group 0.000 abstract 3
- -1 chloro, bromo, iodo Chemical group 0.000 abstract 3
- 235000019441 ethanol Nutrition 0.000 abstract 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N isopropyl alcohol Natural products CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 abstract 2
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 abstract 2
- GAWAYYRQGQZKCR-REOHCLBHSA-N (S)-2-chloropropanoic acid Chemical compound C[C@H](Cl)C(O)=O GAWAYYRQGQZKCR-REOHCLBHSA-N 0.000 abstract 1
- MONMFXREYOKQTI-UHFFFAOYSA-N 2-bromopropanoic acid Chemical compound CC(Br)C(O)=O MONMFXREYOKQTI-UHFFFAOYSA-N 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 230000003385 bacteriostatic effect Effects 0.000 abstract 1
- KDPAWGWELVVRCH-UHFFFAOYSA-N bromoacetic acid Chemical compound OC(=O)CBr KDPAWGWELVVRCH-UHFFFAOYSA-N 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 150000001768 cations Chemical class 0.000 abstract 1
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 abstract 1
- 229910001873 dinitrogen Inorganic materials 0.000 abstract 1
- 229910052736 halogen Inorganic materials 0.000 abstract 1
- 239000011261 inert gas Substances 0.000 abstract 1
- 230000002401 inhibitory effect Effects 0.000 abstract 1
- 238000005342 ion exchange Methods 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 abstract 1
- 238000005956 quaternization reaction Methods 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 239000004094 surface-active agent Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Landscapes
- Pyridine Compounds (AREA)
Abstract
Inventia se refera la saruri cuaternare de piridiniu, care manifesta efect inhibitor de coroziune în mediu HCL 15% la concentratii de 100...500 ppm, precum si efecte bacteriostatice, care au formula generala I: (vezi formula) în care M este 2...35, n este 1...2, R este alchil C2...C12, X este clor, brom, iod, substante tensioactive solubile în apa, care au un indice de refractie cuprins între nD la 20= 1,4785...1,5250 si puncte de topire în cazul celor solide cristaline între 56...137 degree C. Procedeul de preparare a sarurilor cuaternare, consta în aceea ca, se cuaternizeaza piridina cu halogenacetat (propionat) de alchil (R) fenoletoxilat cu 2...35 mol de oxid de etilena, în prezenta de alcool ales dintre alcool etilic obtinut prin reactia de esterificare a alchilfenolului etoxilat cu un halogen acid alifatic inferior, ales dintre acid monocloracetic, monobromacetic, monoclorpropionic, monobrompropionic, în prezenta catalizatorilor specifici (schimbatori de ioni cationici, acid p-toluensulfonic, acid fosforic circa 1%) la temperatura de 80...85 degree C, în prezenta benzenului care favorizeaza îndepartarea apei de reactie sub forma de azeotrop, timp de 2...6 h, reactia de cuaternizare efectuîndu-se în prezenta de alcool ales dintre alcool etilic izopropilic, în mediu de gaz inert de preferinta azot, la temperaturi cuprinse între 85...145 degree C si presiuni de 1...5 at, timp de 6...20 h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO110725A RO86593B1 (ro) | 1983-04-21 | 1983-04-21 | Saruri cuaternare de piridiniu si procedeu de preparare a acestora |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO110725A RO86593B1 (ro) | 1983-04-21 | 1983-04-21 | Saruri cuaternare de piridiniu si procedeu de preparare a acestora |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO86593A2 RO86593A2 (ro) | 1985-04-17 |
| RO86593B1 true RO86593B1 (ro) | 1985-05-01 |
Family
ID=20112965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO110725A RO86593B1 (ro) | 1983-04-21 | 1983-04-21 | Saruri cuaternare de piridiniu si procedeu de preparare a acestora |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO86593B1 (ro) |
-
1983
- 1983-04-21 RO RO110725A patent/RO86593B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO86593A2 (ro) | 1985-04-17 |
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