GB1508238A - Dyestuffs containing isothiouranium groups - Google Patents
Dyestuffs containing isothiouranium groupsInfo
- Publication number
- GB1508238A GB1508238A GB675076A GB675076A GB1508238A GB 1508238 A GB1508238 A GB 1508238A GB 675076 A GB675076 A GB 675076A GB 675076 A GB675076 A GB 675076A GB 1508238 A GB1508238 A GB 1508238A
- Authority
- GB
- United Kingdom
- Prior art keywords
- prepared
- hydroxy
- product
- gives
- pyrazolone
- 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
- C09B69/00—Dyes not provided for by a single group of this subclass
- C09B69/001—Dyes containing an onium group attached to the dye skeleton via a bridge
- C09B69/005—Isothiuronium group
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
1508238 Bromoethyl esters and ethers of aromatic acids and alcohols COMMONWEALTH SCIENTIFIC & INDUSTRIAL RESEARCH ORGANISATION 20 Feb 1976 [20 Feb 1975] 6750/76 Heading C2C [Also in Division C4] 3-#-Bromoethoxyaniline is prepared from m-hydroxy acetanilide and ethylene dibromide followed by hydrolysis of the acetyl group. Reaction of the product with 2-hydroxy-3- naphthoic acid chloride gives 3<SP>1</SP>-(#-bromoethoxy)-2-hydroxy-3-naphthanilide. m - Nitro - # - bromoethylbenzoate is prepared from m-nitrobenzoyl chloride and ethylene bromohydrin. Reduction of the product gives m-amino-#-bromoethyl benzoate. 1 - (4<SP>1 </SP>- Carboxyphenyl) - 3 - methyl - 5- pyrazolone is prepared from p-hydrazino benzoic acid and ethylacetoacetate. Esterification of the product with ethylenebromohydrin gives 1 - (4<SP>1</SP> - # - bromoethoxycarbonyl) - 3 - methyl- 5-pyrazolone.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU67475 | 1975-02-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1508238A true GB1508238A (en) | 1978-04-19 |
Family
ID=3691388
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB675076A Expired GB1508238A (en) | 1975-02-20 | 1976-02-20 | Dyestuffs containing isothiouranium groups |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU1127776A (en) |
DE (1) | DE2607007A1 (en) |
GB (1) | GB1508238A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2475541A1 (en) * | 1977-08-23 | 1981-08-14 | Acna | NEW INTERMEDIATES FOR THE SYNTHESIS OF COLORANTS |
WO2006125778A1 (en) * | 2005-05-23 | 2006-11-30 | Novo Nordisk A/S | Novel trifluoromethoxy-substituted aryl anilides |
US9846345B2 (en) | 2013-02-28 | 2017-12-19 | Empire Technology Development Llc | Colored pigment particles for electrophoretic displays |
-
1975
- 1975-02-20 AU AU11277/76A patent/AU1127776A/en not_active Expired
-
1976
- 1976-02-20 DE DE19762607007 patent/DE2607007A1/en active Pending
- 1976-02-20 GB GB675076A patent/GB1508238A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2475541A1 (en) * | 1977-08-23 | 1981-08-14 | Acna | NEW INTERMEDIATES FOR THE SYNTHESIS OF COLORANTS |
WO2006125778A1 (en) * | 2005-05-23 | 2006-11-30 | Novo Nordisk A/S | Novel trifluoromethoxy-substituted aryl anilides |
US9846345B2 (en) | 2013-02-28 | 2017-12-19 | Empire Technology Development Llc | Colored pigment particles for electrophoretic displays |
Also Published As
Publication number | Publication date |
---|---|
AU1127776A (en) | 1977-08-25 |
DE2607007A1 (en) | 1976-09-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |