DE166310C - - Google Patents
Info
- Publication number
- DE166310C DE166310C DENDAT166310D DE166310DA DE166310C DE 166310 C DE166310 C DE 166310C DE NDAT166310 D DENDAT166310 D DE NDAT166310D DE 166310D A DE166310D A DE 166310DA DE 166310 C DE166310 C DE 166310C
- Authority
- DE
- Germany
- Prior art keywords
- eserin
- solution
- salt
- sulphurous acid
- aqueous
- 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.)
- Active
Links
- PIJVFDBKTWXHHD-HIFRSBDPSA-N physostigmine Chemical compound C12=CC(OC(=O)NC)=CC=C2N(C)[C@@H]2[C@@]1(C)CCN2C PIJVFDBKTWXHHD-HIFRSBDPSA-N 0.000 claims description 8
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 4
- 239000000243 solution Substances 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 241000283973 Oryctolagus cuniculus Species 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
- C07D487/04—Ortho-condensed systems
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Description
KAISERLICHESIMPERIAL
PATENTAMT.PATENT OFFICE.
KLASSEGREAT
Bekanntlich haben fast alle Eserinsalze die unangenehme Eigenschaft, sich in wässeriger Lösung in wenigen Tagen rot zu färben. Es ist nun gelungen, ein Salz aufzufinden, welches diese Verfärbung nicht zeigt. Es ist dies das schwefligsaure Eserin, dessen wässerige Lösung wochenlang farblos bleibt. Die Wirkung dieses Salzes ist nach Versuchen am Kaninchen bei gleicher Dosierung dieselbe wie die des Sulfates. Man stellt das Salz dar, indem man Eserin in neutraler, wässeriger, alkoholischer oder einer ähnlichen Lösung mit schwefliger Säure behandelt,» die Lösung eindampft und den erkalteten Rückstand pulvert.It is well known that almost all eserin salts have the unpleasant property of being watery Color solution red in a few days. We have now succeeded in finding a salt which does not show this discoloration. It is the sulphurous eserin, its aqueous solution remains colorless for weeks. The effect of this salt is after trials in rabbits the same as that of sulphate at the same dosage. You put that Salt is made by taking eserin in neutral, aqueous, alcoholic or similar Treated solution with sulphurous acid, »the solution evaporated and the cooled residue powders.
Eserin wird in Äther gelöst und darausEserin is dissolved in and out of ether
mit der berechneten Menge frisch destillierter, wässeriger, schwefliger Säure ausgeschüttelt..shaken with the calculated amount of freshly distilled, aqueous, sulphurous acid.
Die wässerige Lösung wird eingedampft und der hinterbleibende Rückstand nach dem Erkalten gepulvert. Das Eserinsulfit ist ein weißes, scheinbar amorphes Pulver, welches sich in Wasser und Weingeist leicht löst. 0,5 g Eserinsulfit verbrauchen 21 ecm 1Z10 Jodlösung, woraus sich ein Gehalt von 13,4 Prozent an schwefliger Säure berechnet; während die Formel (C15H21 N3O2J2H2 SO3 13 Prozent verlangt.The aqueous solution is evaporated and the residue that remains is powdered after cooling. Eserin sulfite is a white, apparently amorphous powder that easily dissolves in water and alcohol. 0.5 g of eserol sulfite consume 21 ecm 1 Z 10 iodine solution, from which a content of 13.4 percent of sulphurous acid is calculated; while the formula (C 15 H 21 N 3 O 2 J 2 H 2 SO 3 requires 13 percent.
Fein gepulvertes Eserin wird mit frisch destillierter, schwefliger Säure neutralisiert und die so entstandene wässerige Lösung wie vorher weiter behandelt.Finely powdered eserin is neutralized with freshly distilled, sulphurous acid and the resulting aqueous solution is treated further as before.
Claims (1)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE166310C true DE166310C (en) |
Family
ID=431714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT166310D Active DE166310C (en) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE166310C (en) |
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0
- DE DENDAT166310D patent/DE166310C/de active Active
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