GB303243A - New basic and acid dyes of the rhodamine type - Google Patents
New basic and acid dyes of the rhodamine typeInfo
- Publication number
- GB303243A GB303243A GB2975627A GB2975627A GB303243A GB 303243 A GB303243 A GB 303243A GB 2975627 A GB2975627 A GB 2975627A GB 2975627 A GB2975627 A GB 2975627A GB 303243 A GB303243 A GB 303243A
- Authority
- GB
- United Kingdom
- Prior art keywords
- condensed
- sulphonated
- acid dyes
- new basic
- dichlorfluoran
- 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
- 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
- C09B11/24—Phthaleins containing amino groups ; Phthalanes; Fluoranes; Phthalides; Rhodamine dyes; Phthaleins having heterocyclic aryl rings; Lactone or lactame forms of triarylmethane dyes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Abstract
303,243. Imperial Chemical Industries, Ltd., and Allchin, L. J. Nov. 7, 1927. Hydroxy-phenyl rhodamines and their sulphonic acids.-A 3 : 6-dichlorfluoran is condensed with an o-, m-, or p-aminophenol, or a phthalic anhydride is condensed with a di-(hydroxyphenyl) amine in which one hydroxy group is in the mposition. The basic dyes so obtained may be sulphonated. In examples : 3 : 6-dichlorfluoran is condensed with p-amino-phenol and the product sulphonated; the use of o-aminophenol, 5- amino-o-cresol, and 3 : 6 : 3<1> : 4' : 5<1> : 6<1> - hexachlorfluoran is mentioned; 3 : 4' -dihydroxydiphenylamine is condensed with phthalic anhydride and the product sulphonated; the dye in this case is accompanied by an acridine derivative, which may be partly removed by careful salting out of a solution of the sulphonated dye in alkali.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2975627A GB303243A (en) | 1927-11-07 | 1927-11-07 | New basic and acid dyes of the rhodamine type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2975627A GB303243A (en) | 1927-11-07 | 1927-11-07 | New basic and acid dyes of the rhodamine type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB303243A true GB303243A (en) | 1929-01-03 |
Family
ID=10296660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2975627A Expired GB303243A (en) | 1927-11-07 | 1927-11-07 | New basic and acid dyes of the rhodamine type |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB303243A (en) |
-
1927
- 1927-11-07 GB GB2975627A patent/GB303243A/en not_active Expired
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