DE237946C - - Google Patents
Info
- Publication number
- DE237946C DE237946C DENDAT237946D DE237946DA DE237946C DE 237946 C DE237946 C DE 237946C DE NDAT237946 D DENDAT237946 D DE NDAT237946D DE 237946D A DE237946D A DE 237946DA DE 237946 C DE237946 C DE 237946C
- Authority
- DE
- Germany
- Prior art keywords
- acid
- dichloroanthraflavic
- sulfonation
- condensed
- sulfur
- 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
- GRVFOGOEDUUMBP-UHFFFAOYSA-N Sodium sulfide Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 239000000980 acid dye Substances 0.000 claims 1
- 150000001454 anthracenes Chemical class 0.000 claims 1
- 150000004982 aromatic amines Chemical class 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000006396 nitration reaction Methods 0.000 claims 1
- 238000006277 sulfonation reaction Methods 0.000 claims 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 1
- 239000011593 sulfur Substances 0.000 claims 1
- 229910052717 sulfur Inorganic materials 0.000 claims 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
- C09B1/16—Amino-anthraquinones
- C09B1/20—Preparation from starting materials already containing the anthracene nucleus
- C09B1/26—Dyes with amino groups substituted by hydrocarbon radicals
- C09B1/32—Dyes with amino groups substituted by hydrocarbon radicals substituted by aryl groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
BERLIN. GEDRUCKT IN DER HEICHSDIiUCKEREI.
Claims (1)
- Patent-Anspruch :45Verfahren zur Darstellung brauner Säurefarbstoffe der Anthracenreihe, dadurch gekennzeichnet, daß die durch Sulfieren und darauffolgendes Nitrieren der Dichloranthraflavinsäure gewonnenen Produkte mit aromatischen Aminen unter Zusatz von Schwefel und Schwefelnatrium kondensiert werden.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE237946C true DE237946C (de) |
Family
ID=497509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT237946D Active DE237946C (de) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE237946C (de) |
-
0
- DE DENDAT237946D patent/DE237946C/de active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE237946C (de) | ||
| DE101919C (de) | ||
| DE205096C (de) | ||
| DE246721C (de) | ||
| DE79410C (de) | Verfahren zur Darstellung indulinartiger Farbstoffe | |
| DE69554C (de) | Verfahren zur Darstellung von Farbstoffen aus Cinchonidin und alkylirtem Amidobenzhydrol | |
| DE243586C (de) | ||
| DE231992C (de) | ||
| DE107061C (de) | ||
| DE256165C (de) | ||
| DE17082C (de) | Verfahren zur Darstellung von Paranitroverbindungen der durch Kondensation von Benzaldehyd mit aromatischen Monaminen entstehenden Leukobasen | |
| DE275157C (de) | ||
| DE192484C (de) | ||
| DE43197C (de) | Verfahren zur Darstellung von blauen Azofarbstoffen aus Diamidostilben | |
| DE244497C (de) | ||
| DE95739C (de) | ||
| DE103645C (de) | ||
| DE234058C (de) | ||
| DE295300C (de) | ||
| DE192529C (de) | ||
| DE245875C (de) | ||
| DE198026C (de) | ||
| DE281169C (de) | ||
| DE277605C (de) | ||
| DE114268C (de) |