ES267187A1 - Procedure for the obtaining of new bis- (piridil-tio) '- alcalos dicuaternarios (Machine-translation by Google Translate, not legally binding) - Google Patents
Procedure for the obtaining of new bis- (piridil-tio) '- alcalos dicuaternarios (Machine-translation by Google Translate, not legally binding)Info
- Publication number
- ES267187A1 ES267187A1 ES0267187A ES267187A ES267187A1 ES 267187 A1 ES267187 A1 ES 267187A1 ES 0267187 A ES0267187 A ES 0267187A ES 267187 A ES267187 A ES 267187A ES 267187 A1 ES267187 A1 ES 267187A1
- Authority
- ES
- Spain
- Prior art keywords
- formula
- halogen atom
- optionally
- radical
- dicuaternarios
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Landscapes
- Pyridine Compounds (AREA)
Abstract
Procedure for obtaining new bis- (pyridyl-thio) -alkanes dicuaternarios of the formula ** (See formula) ** where R represents a straight or branched chain alkylene radical, saturated or unsaturated, with 1-16 carbon atoms, whose chain may optionally be interrupted, with an oxygen or sulfur atom, R 'represents a straight or branched chain alkyl radical, saturated or unsaturated, with 1-16 carbon atoms, which may optionally be substituted by a hydroxyl or alkoxy radical, by an optionally substituted amino group or by a radical thioalkyl, carbalkoxy, aralkyl, aryl, aryloxy or arylthio, the aryl moiety may in turn be substituted by halogen atoms, lower alkyl, alkoxy or nitric groups, and A represents the anion of an inorganic or organic acid, preferably a hydrohalogenic acid or an aromatic sulfonic acid, characterized by a) transform a bis- (pyridyl-thio) -alkane of the formula ** (See formula) ** where R has the above-mentioned meaning, with at least a double molar amount of a compound of the formula R'A, where R 'and A have the meaning indicated above, at elevated temperatures, preferably at temperatures between 100º and 200º C, optionally at presence of a solvent and possibly with the use of pressure, or b) to be converted, for the preparation of compounds of the above general formula, in which A represents a halogen atom, a pyridinium salt of the formula, ** (See formula) ** where R 'has the meaning indicated above, A represents a halogen atom and X a halogen atom or a mercapto group, with a compound of the formula YRY, where R has the meaning indicated above, and Y represents a mercapto group, if X is a halogen atom, or a halogen atom, if X is a mercapto group, eventually in the presence of an equimolar amount of an antacid medium, preferably in the presence of a solvent, at elevated temperatures, and preferably at temperatures above 80º C. (Machine-translation by Google Translate, not legally binding)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE267187X | 1960-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES267187A1 true ES267187A1 (en) | 1961-11-01 |
Family
ID=38568605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES0267187A Expired ES267187A1 (en) | 1960-05-09 | 1961-05-05 | Procedure for the obtaining of new bis- (piridil-tio) '- alcalos dicuaternarios (Machine-translation by Google Translate, not legally binding) |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES267187A1 (en) |
-
1961
- 1961-05-05 ES ES0267187A patent/ES267187A1/en not_active Expired
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