DE436517C - Process for the preparation of vanadium compounds of the quinoline series which are insoluble or sparingly soluble in water - Google Patents
Process for the preparation of vanadium compounds of the quinoline series which are insoluble or sparingly soluble in waterInfo
- Publication number
- DE436517C DE436517C DEF57667D DEF0057667D DE436517C DE 436517 C DE436517 C DE 436517C DE F57667 D DEF57667 D DE F57667D DE F0057667 D DEF0057667 D DE F0057667D DE 436517 C DE436517 C DE 436517C
- Authority
- DE
- Germany
- Prior art keywords
- water
- vanadium
- insoluble
- preparation
- sparingly soluble
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
- C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
- C07D215/16—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D215/20—Oxygen atoms
- C07D215/24—Oxygen atoms attached in position 8
- C07D215/26—Alcohols; Ethers thereof
- C07D215/30—Metal salts; Chelates
Description
Verfahren zur Darstellung von in Wasser unlöslichen oder schwerlöslichen Vanadiumverbindungen der Chinolinreihe. Es wurde gefunden, daß man zu wasserunlöslichen Vanadiumverbindungen gelangt, wenn man Vanadiumoxyde, wie Vanaditnntrioxyd, Vanadiumtetroxyd oder Vanadiumpentoxyd, auf 8-Oxychinolin, dessen Homologen oder Substitutionsprodukte mit freier Phenolhydroxylgruppe einwirken läßt.Process for the preparation of insoluble or sparingly soluble in water Vanadium compounds of the quinoline series. It has been found that water-insoluble Vanadium compounds are obtained when vanadium oxides, such as vanadium trioxide, vanadium tetroxide are used or vanadium pentoxide, on 8-oxyquinoline, its homologues or substitution products with free phenolic hydroxyl group allowed to act.
Es entstehen so meist gefärbte feste Stoffe, die sowohl in kaltem als auch in warmem Wasser sowie Alkalilauge:i fast unlöslich sind ttnd durch Mineralsäuren zersetzt werden.The result is mostly colored solid substances that are both cold and cold as well as in warm water and alkali: i are almost insoluble due to mineral acids be decomposed.
Ihr Vanadiumgehalt ist verschieden je nach der Oxydationsstufe der verwandten Vanadiumverbindung.Their vanadium content varies according to the level of oxidation related vanadium compound.
In therapeutischer Hinsicht eignen sie sich %-orzüglich in Form von Suspensionen in indifferenten Medien, wie Öl, Paraffin liquid. o. d-1. zur Behandlung von Spirochaetosen. Beispiel i.From a therapeutic point of view, they are ideal in the form of Suspensions in inert media such as oil, liquid paraffin. o. d-1. for treatment of spirochaetoses. Example i.
3o Gewichtsteile 8-Oxycliinolin, io Gewichtsteile Vanadiumtrioxyd und 300 Gewichtsteile Wasser werden zusammen einige -Zeit erhitzt. Nach vollendeter Reaktion wird al#gesaugt, der Niederschlag mit verdünnter atronlauge ausgezogen, mit Wasser gewaschen und getrocknet. Das Vanadin-e-oxychinolin ist ein braungrünes Pulver, das auch in heißem Wasser kaum löslich ist. Der Vanadiumgehalt des Produktes beträgt etwa j,5 Prozent. .30 parts by weight of 8-oxycliinoline, 10 parts by weight of vanadium trioxide and 300 parts by weight of water are heated together for some time. When the reaction is complete, the mixture is filtered off with suction, the precipitate is extracted with dilute atron lye, washed with water and dried. Vanadium-e-oxyquinoline is a brown-green powder that is hardly soluble even in hot water. The vanadium content of the product is about 1.5 percent. .
Beispiel 2o Gewichtsteile 8-Oxychinolin-5-sulfosäure werden mit Sodalösting neutralisiert und unter Zusatz von 2o Gewichtsteilen Vanadintetroxyd, V,04, einige Zeit erhitzt. Nach vollendeter Reaktion wird filtriert und das Filtrat zur Trockne verdampft. Es hinterbleibt das Natriunivanadinsalz der 8-Oxycliinolin-5-sulfosäure als ein grabgrünes Pulver, das in kaltem Wasser schwer löslich ist. Der Vanadingehalt beträgt 12 bis 1,3 Prozent.Example 20 parts by weight of 8-oxyquinoline-5-sulfonic acid are dissolved with soda neutralized and with the addition of 20 parts by weight of vanadium tetroxide, V, 04, some Time heated. After the reaction is complete, it is filtered and the filtrate is dried to dryness evaporates. What remains is the sodium vanadium salt of 8-oxycliinoline-5-sulfonic acid as a grave green powder that is sparingly soluble in cold water. The vanadium content is 12 to 1.3 percent.
Beispiel l. Example l.
3o Gewichtsteile 5-M ethyl-8-oxychinolin, r n Gewichtsteile Vanadiumtrioxyd und 300 Gewichtsteile Wasser werden zusammen einige Zeit erhitzt. Nach vollendeter Reaktion `wird abgesaugt, der Niederschlag mit #;c-rdünnter Natronlauge ausgezogen, finit Wasser bis zur Neutralität des Waschwassers gf-waschen und getrocknet. Das Vanadin-.5-inethyl-8-oxychinolin ist ein graugrünes r'ulver, unlöslich in Wasser.3o parts by weight of 5-M ethyl-8-oxyquinoline, r n parts by weight of vanadium trioxide and 300 parts by weight of water are heated together for some time. After finished Reaction `is suctioned off, the precipitate is extracted with #; c-thin sodium hydroxide solution, finite water until the wash water is neutral, GF-wash and dry. That Vanadium-.5-ynethyl-8-oxyquinoline is a gray-green powder, insoluble in water.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEF57667D DE436517C (en) | 1924-12-28 | 1924-12-28 | Process for the preparation of vanadium compounds of the quinoline series which are insoluble or sparingly soluble in water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEF57667D DE436517C (en) | 1924-12-28 | 1924-12-28 | Process for the preparation of vanadium compounds of the quinoline series which are insoluble or sparingly soluble in water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE436517C true DE436517C (en) | 1926-11-03 |
Family
ID=7108336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEF57667D Expired DE436517C (en) | 1924-12-28 | 1924-12-28 | Process for the preparation of vanadium compounds of the quinoline series which are insoluble or sparingly soluble in water |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE436517C (en) |
-
1924
- 1924-12-28 DE DEF57667D patent/DE436517C/en not_active Expired
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