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Journal:   JOURNAL OF COLOR SCIENCE AND TECHNOLOGY   2017 , Volume 11 , Number 3 ; Page(s) 203 To 213.
 
Paper: 

Synthesis Of Some New Azo Dyes From 6, 8-Dichloro-4-Hydroxyquinolin-2(1H)-One: Structural Elucidation, Solvatochromism And Spectroscopic Properties

 
 
Author(s):  Moradi Rufchahi E.*
 
* DEPARTMENT OF CHEMISTRY, FACULTY OF SCIENCE, ISLAMIC AZAD UNIVERSITY, LAHIJAN BRANCH, LAHIJAN, IRAN
 
Abstract: 
6, 8-dichloro-4-hydroxyquinolin-2 (1H)-one (2) was prepared by thermal cyclocondensation reaction of N, N?-bis (2, 4-dichlorophenyl) malonamide (1) at 140-150oC in polyphosphoric acid in a satisfactory yield. This compound as an enol type coupling component was then coupled with diazonium salts of some aromatic amines to synthesis of azo dyes (3)-(9). The structures of the compounds were elucidated using spectral methods FT-IR, 1H NMR and UV-vis. The effects of six organic solvents (acetic acid, ethanol, chloroform, acetonitrile, dimethyl formamide and dimethyl sulfoxide), pH and substituents of the diazotizing components on the maximum absorption wavelength of the colorants were discussed and evaluated.
 
Keyword(s): HYDROXYL QUINOLONE, AZO DYES, SOLVATOCHROMISM, POLYPHOSPHORIC ACID
 
 
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APA: Copy

MORADI RUFCHAHI, E. (2017). SYNTHESIS OF SOME NEW AZO DYES FROM 6, 8-DICHLORO-4-HYDROXYQUINOLIN-2(1H)-ONE: STRUCTURAL ELUCIDATION, SOLVATOCHROMISM AND SPECTROSCOPIC PROPERTIES. JOURNAL OF COLOR SCIENCE AND TECHNOLOGY, 11(3 ), 203-213. https://www.sid.ir/en/journal/ViewPaper.aspx?id=573128



Vancouver: Copy

MORADI RUFCHAHI E.. SYNTHESIS OF SOME NEW AZO DYES FROM 6, 8-DICHLORO-4-HYDROXYQUINOLIN-2(1H)-ONE: STRUCTURAL ELUCIDATION, SOLVATOCHROMISM AND SPECTROSCOPIC PROPERTIES. JOURNAL OF COLOR SCIENCE AND TECHNOLOGY. 2017 [cited 2022May25];11(3 ):203-213. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=573128



IEEE: Copy

MORADI RUFCHAHI, E., 2017. SYNTHESIS OF SOME NEW AZO DYES FROM 6, 8-DICHLORO-4-HYDROXYQUINOLIN-2(1H)-ONE: STRUCTURAL ELUCIDATION, SOLVATOCHROMISM AND SPECTROSCOPIC PROPERTIES. JOURNAL OF COLOR SCIENCE AND TECHNOLOGY, [online] 11(3 ), pp.203-213. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=573128.



 
 
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