DE275795C - - Google Patents
Info
- Publication number
- DE275795C DE275795C DENDAT275795D DE275795DA DE275795C DE 275795 C DE275795 C DE 275795C DE NDAT275795 D DENDAT275795 D DE NDAT275795D DE 275795D A DE275795D A DE 275795DA DE 275795 C DE275795 C DE 275795C
- Authority
- DE
- Germany
- Prior art keywords
- carbazole
- derivatives
- saying
- preparation
- sulfuric acid
- 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
- UJOBWOGCFQCDNV-UHFFFAOYSA-N Carbazole Chemical compound C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-UHFFFAOYSA-N 0.000 claims 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims 2
- 239000002253 acid Substances 0.000 claims 1
- 150000007513 acids Chemical class 0.000 claims 1
- 239000003085 diluting agent Substances 0.000 claims 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/56—Ring systems containing three or more rings
- C07D209/80—[b, c]- or [b, d]-condensed
- C07D209/82—Carbazoles; Hydrogenated carbazoles
- C07D209/88—Carbazoles; Hydrogenated carbazoles 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 carbon atoms of the ring system
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Indole Compounds (AREA)
Description
BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.
Claims (1)
- Patent-An Spruch:Verfahren zur Herstellung von Monosulfosäuren des Carbazols und seiner N-alkylierten Derivate, dadurch gekennzeichnet, daß man Carbazol oder dessen N-Alkylderivate mit starker Schwefelsäure bei Gegenwart von indifferenten Verdünnungsmitteln behandelt.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE275795C true DE275795C (de) |
Family
ID=532053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT275795D Active DE275795C (de) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE275795C (de) |
-
0
- DE DENDAT275795D patent/DE275795C/de active Active
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