DE308785C - - Google Patents
Info
- Publication number
- DE308785C DE308785C DENDAT308785D DE308785DA DE308785C DE 308785 C DE308785 C DE 308785C DE NDAT308785 D DENDAT308785 D DE NDAT308785D DE 308785D A DE308785D A DE 308785DA DE 308785 C DE308785 C DE 308785C
- Authority
- DE
- Germany
- Prior art keywords
- tetramethyltriphenylmethane
- xylidine
- benzaldehyde
- diamino
- deficiency
- 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
- HUMNYLRZRPPJDN-UHFFFAOYSA-N Benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 claims 2
- 239000002253 acid Substances 0.000 claims 1
- 150000007513 acids Chemical class 0.000 claims 1
- 229940095076 benzaldehyde Drugs 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
- C09B11/00—Diaryl- or thriarylmethane dyes
- C09B11/04—Diaryl- or thriarylmethane dyes derived from triarylmethanes, i.e. central C-atom is substituted by amino, cyano, alkyl
- C09B11/10—Amino derivatives of triarylmethanes
- C09B11/12—Amino derivatives of triarylmethanes without any OH group bound to an aryl nucleus
- C09B11/14—Preparation from aromatic aldehydes, aromatic carboxylic acids or derivatives thereof and aromatic amines
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Claims (1)
- Patent-Anspruch:Verfahren zur Darstellung von 4-41-Diamino-2 · 21^s- 51-tetramethyltriphenylmethan, dadurch gekennzeichnet, daß man technisches Xylidin mit einem Unterschuß von Benzaldehyd in Gegenwart von Säuren behandelt. ■
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE308785C true DE308785C (de) |
Family
ID=562007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT308785D Active DE308785C (de) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE308785C (de) |
-
0
- DE DENDAT308785D patent/DE308785C/de active Active
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