GB773152A - Improvements relating to bis-triazinylamino stilbene compounds and their use as optical brightening agents - Google Patents

Improvements relating to bis-triazinylamino stilbene compounds and their use as optical brightening agents

Info

Publication number
GB773152A
GB773152A GB34052/54A GB3405254A GB773152A GB 773152 A GB773152 A GB 773152A GB 34052/54 A GB34052/54 A GB 34052/54A GB 3405254 A GB3405254 A GB 3405254A GB 773152 A GB773152 A GB 773152A
Authority
GB
United Kingdom
Prior art keywords
amino
stilbene
bis
methyl
triazinyl
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
GB34052/54A
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.)
Novartis AG
Original Assignee
JR Geigy AG
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 JR Geigy AG filed Critical JR Geigy AG
Publication of GB773152A publication Critical patent/GB773152A/en
Expired legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/30Luminescent or fluorescent substances, e.g. for optical bleaching

Abstract

The invention comprises bis-triazinyl-amino-stilbene compounds corresponding to the general formula <FORM:0773152/IV(b)/1> wherein R represents a methyl or ethyl group and A represents a phenyl radical which can be substituted by chlorine, acylamino, alkyl or alkoxy groups, and alkali metal salts thereof. Fluorescent symmetrical bis-triazinylamino-stilbene compounds and their alkali metal salts are produced by a process characterized by reacting 1 mol. of 4.41-bis-[4.6-dihalogen-1.3.5-triazinyl - (2) - amino] - stilbene - 2.21 - disulphonic acids or their salts, obtained from 4.41-diamino - stilbene - 2.21 - disulphonic acid and cyanuric halides, with 2 mols. of a primary aromatic amine of the benzene series which can contain chlorine, acylamino alkyl or alkoxy substituents in the ring and with 2 mol. of a secondary alkylethanolamine in which the alkyl group is methyl or ethyl, the reaction being performed in steps in any order desired in aqueous solution in the presence of an agent neutralizing the mineral acid formed in the reaction so that symmetrical compounds of the above general formula in which R and A have the meaning given above, result: primary aromatic amines of the benzene series mentioned include aminobenzene, 2- and 3-methyl-1 - aminobenzene, 3 - chloro - 1 - aminobenzene, 2-, 3- or 4-methoxy-1-aminobenzenes, 2-ethoxy-1 - aminobenzene, 4 - phenoxy - 1 - amino - benzene, 2.5 - dimethyl - 1 - aminobenzene, 3-methoxy-4-methyl-1-aminobenzene. Sodium carbonate, bicarbonate and acetate may be employed as acid binding agent in the first step and an excess of amine in the second. In examples: the sodium salt of 4.41-bis-[phenylamino - 6 - (b - hydroxyethylmethylamino) - 1.3.5-triazinyl - (2) - amino - stilbene - 2.21 - disul - phonic acid is obtained by reacting with aniline sodium salt of 4.4-bis-[4.6-dichloro-1.3.5-triazinyl - (2) - amino] - stilbene - 2.21 - disulphonic acid, obtained by reacting the sodium salt of 4.41 - diamino - stilbene - 2.21 - disulphonic acid with cyanuric chloride, and heating the product with N-methylethanolamine; similar products are obtained when the aniline in the above process is replaced by o- or m-toluidine, m-chloraniline, m- or o-anisidine or p-xylidine (1); in a similar process the disodium salt of 4.41-bis-[4-(p - methoxyphenylamino) - 6 - (N - ethyl - b - hydroxyethylamino - 1.3.5 - triazinyl - (2) - amino] - stilbene - 2.21 - disulphonic acid is obtained from 4.41-bis-[4.6-dichloro-1.3.5-triazinyl - (2) - amino] - stilbene - 2.21 - disulphonic acid, N-ethyl-monoethanolamine and p-methoxy aniline; similar products are obtained using aniline, m-anisidine or m-phenetidine instead of p-methoxy aniline (2); the disodium salt of 4.41 - bis - [3 - methoxy - 4 - methyl - phenyl - amino) - 6 - (N - methyl - b - hydroxyethyl - amino) - 1.3.5 - triazinyl - (2) - amino] - stilbene-2.21-disulphonic acid is similarly obtained using the disodium salt of 4.41-bis-[4.6 - dichloro - 1.3.5 - triazinyl - (2) - amino] - stilbene - 2.21-disulphonic acid, 3 - methoxy - 4 - methyl - aniline and N - methyl - monoethanolamine; similar products are obtained when the 3-methoxy-4-methyl aniline is replaced by 3-chloro-4-methyl- or -2-methyl-aniline (3); the sodium salt of 4.41-bis-[4-(p-methoxy-phenylamino) - 6 - (N - methyl - b - hydroxyethyl - amino) - 1.3.5 - triazinyl - (2) - amino] - stilbene-2.21-disulphonic acid is similarly obtained using p - anisidine chlorhydrate, 4.41 - bis - [4.6 - di - chloro - 1.3.5 - triazinyl - (2) - amino] - stilbene - 2.21 - disulphonic acid disodium salt and N-methyl-monoethanol; similar compounds are obtained when p-anisidine chlorohydrate is replaced by p-aminodiphenyl ether and o-phenetidine chlorohydrates (4); the sodium salt of 4.41 - bis - [2 - p - acetylaminophenylamino) - 4 - (b - hydroxyethylmethylamino) - triazinyl - (6) - amino] - stilbene - 2.21 - disulphonic acid is obtained in a process similar to (1) when aniline is replaced by p-aminoacetanilide (5). The products of the invention are employed as optical brightening agents, e.g. for cellulose, e.g. in form of fibres and textiles and in washing and cleaning agents (see Group IV (c)).ALSO:Bis-triazinylamino - stilbene compounds corresponding to the general formula <FORM:0773152/IV(b)/1> wherein R represents methyl or ethyl, A represents a phenyl radical which can be substituted by chlorine, acylamino, alkyl or alkoxy groups and alkali metal salts thereof (see Group IVb) are employed as optical brightening agents for cellulose in the form of fibres and textiles and in washing and cleaning compositions. In examples: white cotton poplin is treated in a bath containing the sodium salt of 4 - 41 - bis - [4 - phenylamino - 6 (b - hydroxyethyl - methylamino) - 1 : 3 : 5 - triazinyl - (2) - amino] - stilbene - 2, 21 - disulphonic acid and Glauber's salt (6); and pillow-cases &c. are boiled in a washing liquor containing a soap and perborate washing agent and the sodium salt of 4 : 41 - bis [4 - (p - methoxyphenylamino) - 6 - (b - hydroxyethyl - methylamino) - 1 : 3 : 5 - triazinyl - (2) - amino] - stilbene - 2 : 21 - disulphonic acid.
GB34052/54A 1953-11-26 1954-11-24 Improvements relating to bis-triazinylamino stilbene compounds and their use as optical brightening agents Expired GB773152A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH773152X 1953-11-26

Publications (1)

Publication Number Publication Date
GB773152A true GB773152A (en) 1957-04-24

Family

ID=4535578

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34052/54A Expired GB773152A (en) 1953-11-26 1954-11-24 Improvements relating to bis-triazinylamino stilbene compounds and their use as optical brightening agents

Country Status (1)

Country Link
GB (1) GB773152A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4549980A (en) * 1983-10-11 1985-10-29 Mobay Chemical Corporation White modification of a bis-triazinyl amino stilbene optical brightener and a process for making the same
WO2015133999A1 (en) * 2014-03-04 2015-09-11 Empire Technology Development Llc Backlight units and methods of making the same
USRE46913E1 (en) 2008-03-26 2018-06-26 Archroma Ip Gmbh Optical brightening compositions

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4549980A (en) * 1983-10-11 1985-10-29 Mobay Chemical Corporation White modification of a bis-triazinyl amino stilbene optical brightener and a process for making the same
USRE46913E1 (en) 2008-03-26 2018-06-26 Archroma Ip Gmbh Optical brightening compositions
WO2015133999A1 (en) * 2014-03-04 2015-09-11 Empire Technology Development Llc Backlight units and methods of making the same

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