GB362696A - Manufacture of condensation products of the benzanthrone series and dyestuffs therefrom - Google Patents
Manufacture of condensation products of the benzanthrone series and dyestuffs therefromInfo
- Publication number
- GB362696A GB362696A GB3855530A GB3855530A GB362696A GB 362696 A GB362696 A GB 362696A GB 3855530 A GB3855530 A GB 3855530A GB 3855530 A GB3855530 A GB 3855530A GB 362696 A GB362696 A GB 362696A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ring
- benzanthrone
- peri
- closure
- followed
- 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
- C09B5/00—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings
- C09B5/62—Cyclic imides or amidines of peri-dicarboxylic acids of the anthracene, benzanthrene, or perylene series
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Furan Compounds (AREA)
Abstract
Condensation products of the benzanthrone series are obtained by condensing benzanthrone-peri-dicarboxylic acid, anhydride, or a derivative thereof, including ring substitution products, with an aromatic o-diamine at a temperature below 80 DEG C. in an indifferent solvent. The products, which are dicarboxylic imides are further ring-closed to give the products of parent Specification, by heating to a higher temperature. According to examples, benzanthrone-peri-dicarboxylic anhydride is condensed with o-phenylenediamine, followed by ring-closure, with 2 : 3-diaminotoluene, followed by ring-closure, with p-chloro-o-phenylenediamine, followed by ring-closure, with 2-chloro-4 : 5-diaminotoluene, followed by ring-closure, with p-ethoxy-o-phenylenediamine, followed by ring-closure, with 1 : 2-diaminonaphthalene, followed by ring - closure, with 4 : 5 - diaminoacenaphthene, followed by ring-closure, with o-o<1>-diaminobenzidine followed by ring-closure to the dye ; 7-methyl-benzanthrone-peri-dicarboxylic anhydride is condensed with p-ethoxy-o-phenylenediamine; 5 : 6-benz - benzanthrone - peri - dicarboxylic anhydride, 7 : 8-benz - benzanthrone - peri - dicarboxylic anhydride, and chlorobenzanthrone-peri-dicarboxylic anhydride are condensed with o-phenylenediamine, followed in all cases by ring-closure. Benzanthrone derivatives.--7 - methyl - benzanthrone-peri-dicarboxylic anhydride is obtained by melting 4-p-toluyl-1 : 8-naphthalic acid with aluminium chloride; 5 : 6-benz- and 7 : 8-benz-benzanthrone-peri-dicarboxylic anhydrides are obtained by melting 4-a -naphthoylnaphthalic anhydride, obtainable by oxidizing 5 - b - naphthoylace-naphthene, and 4-b -naphthoylnaphthalic acid, obtainable by oxidizing 5-b -naphthoylacenaphthene, respectively, with aluminium chloride; chlorobenzanthrone-peri-dicarboxylic anhydride is obtained by condensing 4-benzoylnaphthalic acid anhydride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3855530A GB362696A (en) | 1930-12-22 | 1930-12-22 | Manufacture of condensation products of the benzanthrone series and dyestuffs therefrom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3855530A GB362696A (en) | 1930-12-22 | 1930-12-22 | Manufacture of condensation products of the benzanthrone series and dyestuffs therefrom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB362696A true GB362696A (en) | 1931-12-10 |
Family
ID=10404239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3855530A Expired GB362696A (en) | 1930-12-22 | 1930-12-22 | Manufacture of condensation products of the benzanthrone series and dyestuffs therefrom |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB362696A (en) |
-
1930
- 1930-12-22 GB GB3855530A patent/GB362696A/en not_active Expired
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