SU219050A1 - Method of preparing water-soluble anthraquinone dyes - Google Patents

Method of preparing water-soluble anthraquinone dyes

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Publication number
SU219050A1
SU219050A1 SU6501012467A SU1012467A SU219050A1 SU 219050 A1 SU219050 A1 SU 219050A1 SU 6501012467 A SU6501012467 A SU 6501012467A SU 1012467 A SU1012467 A SU 1012467A SU 219050 A1 SU219050 A1 SU 219050A1
Authority
SU
USSR - Soviet Union
Prior art keywords
sulfonic acid
chloro
salt
anthraquinone
nitroanthraquinone
Prior art date
Application number
SU6501012467A
Other languages
Russian (ru)
Inventor
Т.Н. Курдюмова
Н.А. Родина
З.П. Титова
Original Assignee
Научно-исследовательский институт органических полупродуктов и красителей
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 Научно-исследовательский институт органических полупродуктов и красителей filed Critical Научно-исследовательский институт органических полупродуктов и красителей
Priority to SU6501012467A priority Critical patent/SU219050A1/en
Application granted granted Critical
Publication of SU219050A1 publication Critical patent/SU219050A1/en

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Description

The proposed method allows to expand the range of angrahinonovye dyes, to obtain water-soluble anthraquinone dyes, for example 1,4 - diarylamino -, 1,4-dialkylamino - and 1,4 - dicycloalkylaminograhinone - 6 (7) - sulfonic acids, by the interaction of 1 - chloro - 4-nitroanthra : inon-6 (7) - sulfonic acids with the corresponding primary amine, which is taken in excess. The process is conducted in the presence of copper compounds or without them.
The proposed dyes dye wool, natural silk and polyamide fibers in blue and green colors. Vykraski have good strength to wet treatments.
Example 1. 5.00 g of 1-chloro-4-nitroanthraquinone-b-sulfonic acid (Ma-salt) is added to 50 mg of cyclohexylamine, heated to boiling and boiled g for 7 hours, then fed with sodium bicarbonate and distilled off are cyclohexylamine. Chloride is added to the aqueous solution of the resulting dye.
sodium to a concentration of 1O%, from 4% to 1,4-dicyclohexylaminoanthraquinone-sulfonic acid, washed until neutral with 10% sodium chloride solution and dried.
6.25 1,4-dicyclohexylaminoanthraquinone-6-sulfonic acid (Na-salt) is obtained.
Found,%: N4.98; 86.08. SgbNggM Zozma.
Calculated,%: S 5.57: I 6.35.
In a similar way, 1,4-dicyclohexylaminoanthraquinone-7-sulfonic acid is obtained from 1-chloro-4-nitroanthraquinone-7-sulfonic acid (Na-salt) and cyclohexylamine.

Claims (2)

  1. Example 2. 5.00 g of 1-chloro-4-nitroanthraquinone-6-sulfonic acid (la-salt), 5O g of iv-toluidine, 3, OO g of sodium acetate (anhydrous) and 0.10 g of copper powder are heated to 17O- 18 O C and stirred at this temperature for 2 hours. The reaction mass is diluted with benzene (10 O ml), filtered and washed. The precipitate is mixed with water (2OG) ml), alkalinized with sodium bicarbonate 21905 3 and ogononeug p-holuidin. After cooling the reaction mass, the precipitate is filtered, washed and dried. 4.60 g of 1,4-di-l-toluidinoanthraquinone-6 sulfonic acid (Ka-salt) are obtained. 5 Found:% 5.18; 5, O2. C jHaNaSOyNa, Calculated,%: N 5.38 ... In a similar way, 1, “P1-toluidinoanthraquinone — 7-sulfonic acid from 1-chloro | 4-nitroanthraquinone-7-sulfonic acid () and toluidine. 0 4 Claim 1. A method of producing water-soluble anthraquinone dyes, for example 1,4 diarylamino-1,4-dialcnlamino or 1,4-d cyclopamy-anthraquinone-6 (7) -untiller, characterized in that, in order to expand the range the anthraquinone series dyes, 1-chloro 4-nitroanthrachino-6 (7) -sulfonic acid is heated in an excess of the corresponding primary amine.
  2. 2. The method according to claim 1, characterized in that the process is conducted in the presence of copper compounds.
SU6501012467A 1965-06-09 1965-06-09 Method of preparing water-soluble anthraquinone dyes SU219050A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU6501012467A SU219050A1 (en) 1965-06-09 1965-06-09 Method of preparing water-soluble anthraquinone dyes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU6501012467A SU219050A1 (en) 1965-06-09 1965-06-09 Method of preparing water-soluble anthraquinone dyes

Publications (1)

Publication Number Publication Date
SU219050A1 true SU219050A1 (en) 1977-09-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
SU6501012467A SU219050A1 (en) 1965-06-09 1965-06-09 Method of preparing water-soluble anthraquinone dyes

Country Status (1)

Country Link
SU (1) SU219050A1 (en)

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