GB514353A - New azo compounds and dyestuffs derived therefrom - Google Patents

New azo compounds and dyestuffs derived therefrom

Info

Publication number
GB514353A
GB514353A GB2301/38A GB230138A GB514353A GB 514353 A GB514353 A GB 514353A GB 2301/38 A GB2301/38 A GB 2301/38A GB 230138 A GB230138 A GB 230138A GB 514353 A GB514353 A GB 514353A
Authority
GB
United Kingdom
Prior art keywords
acid
aminobenzoyl
mols
pyrazolone
aminophenyl
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
Application number
GB2301/38A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of GB514353A publication Critical patent/GB514353A/en
Expired legal-status Critical Current

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
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/02—Disazo dyes
    • C09B35/039—Disazo dyes characterised by the tetrazo component
    • C09B35/28—Disazo dyes characterised by the tetrazo component the tetrazo component containing two aryl nuclei linked by at least one of the groups —CON<, —SO2N<, —SO2—, or —SO2—O—

Abstract

514,353. Dyes. DU PONT DE NEMOURS & CO., E. I. Jan. 24, 1938, No. 2301. Void. Convention date, Jan. 23,1937. [Classes 2 (iii) and 15 (ii)] Disazo dyes are made by tetrazotizing an N : N<1>-di (aminoaroyl)-phenylene- or naphthylenediamine and coupling with two mols. of the same or different coupling components having at least one free amino group. The aryl nuclei may be substituted by sulphonic, alkyl, alkoxy, halogen, oxyacetic acid, or azo groups. Many of one products are direct dyes for cotton and regenerated cellulose, the shades obtained ranging from yellow to red. In examples, (1) N: N<1>-di-(p-aminobenzoyl)- m-phenylene diamine is tetrazotized and coupled with (a) J-acid (2 mols.), (b) 1-m-aminophenyl- 5-pyrazolone-3-carboxylic acid (2 mols.), and (2) N: N<1>-di (p-aminobenzoyl)-1: 3-diaminobenzene-4-sulphuric acid is tetrazotized and coupled with (a) 1-m-aminophenyl-3-methyl-5- pyrazolone (2 mols.), (b) 1-m-aminophenyl-5- pyrazolone-3-carboxylic acid (2 mols.), (c) p-aminobenzoyl-J-acid (2 mols.) and (d) maminobenzoyl-J-acid (2 mols.). A large number of other combinations is tabulated, the following additional components being specified : tetrazo components - N : N<1>-di-(p-aminobenzoyl)-pphenylenediamine, N: N<1>-di-(p-aminobenzoyl)- 1 : 4-naphthylenediamine, and N : N1-di- (p-aminobenzoyl)-1 : 4-phenylenediamine-5-sulphonic acid ; coupling components :-di-(paminobenzoyl)-3 : 5-diaminobenzoyl-J-acid, and m-toluidine. The disazo dyes from (1) N: N<1>- di-(p-aminobenzoyl)-1 : 3-phenylenediamine-4- sulphonic acid (1 mol.), 1-m-aminophenyl-5- pyrazolone-3-carboxylic acid (1 mol.) and p-aminobenzoyl-J-acid (1 mol.), and (2) N: N<1>- di-(p-aminobenzoyl)-m-phenylenediamine and 1-maminophenyl - 5 - pyrazolone - 3 -carboxylic acid (2 mols.), are tetrazotized and further coupled with 1-m-aminophenyl-5-pyrazolone- 3-carboxylic acid (2 mols.).
GB2301/38A 1937-01-23 1938-01-24 New azo compounds and dyestuffs derived therefrom Expired GB514353A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US514353XA 1937-01-23 1937-01-23

Publications (1)

Publication Number Publication Date
GB514353A true GB514353A (en) 1939-11-06

Family

ID=21971299

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2301/38A Expired GB514353A (en) 1937-01-23 1938-01-24 New azo compounds and dyestuffs derived therefrom

Country Status (1)

Country Link
GB (1) GB514353A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2448853A (en) * 1945-12-29 1948-09-07 Eastman Kodak Co Sulfonamido disazo dye
US2612496A (en) * 1948-04-02 1952-09-30 Gaspar Acid azo dyes
US2612448A (en) * 1948-04-02 1952-09-30 Gaspar Photographic elements containing azo dyes and process using them

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2448853A (en) * 1945-12-29 1948-09-07 Eastman Kodak Co Sulfonamido disazo dye
US2612496A (en) * 1948-04-02 1952-09-30 Gaspar Acid azo dyes
US2612448A (en) * 1948-04-02 1952-09-30 Gaspar Photographic elements containing azo dyes and process using them

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