synthesis of some new disperse dyes derived from n phenyl naphthylamine

    synthesis of some new disperse dyes derived from n phenyl naphthylamine,

    Synthesis, Characterization and Application of Some .

    Synthesis, Characterization And Application Of Some Polymeric Dyes Derived From Monoaz .iosrjournals 43 | Page 2.4 Azo Coupling of Diazonium salts 0.06 moles of each coupling component was suspended in 20ml distilled water contained in a 250ml beaker at 0-50C in an ice-bath. Solution of the diazonium salt was added drop-wise to the coupling component

    Synthesis and application of hetaryl disazo disperse dyes .

    Jul 04, 2015· Synthesis and application of hetaryl disazo disperse dyes derived from 2 amino 5 mercapto 1,3,4 thia Synthesis and application of hetaryl disazo disperse dyes derived from 2 …

    Synthesis and fastness properties of styryl and azo .

    Synthesis and fastness properties of styryl and azo disperse dyes derived from 6 . an efficient catalyst for the synthesis of new azo dyes, Research on Chemical . Synthesis, structural characterization and tautomeric properties of some novel bis-azo dyes derived from 5-arylidene-2,4-thiazolidinone, Spectrochimica Acta Part .

    Disazo Disperse Dyes Derived from 2-chloro-4-methylaniline .

    In this study, the synthesis and application of some new disazo disperse dyes derived from 2-chloro-4-methylaniline and 3-aminophenol on nylon 6 fabric are described. The dyes were synthesized via diazotisation of 2-chloro-4-methylaniline using sodium nitrite in an acid

    Solubility of Two Disperse Dyes Derived from N-Alkyl and N .

    Sadeghi-Kiakhani M, Arami M, Gharanjig K, Mokhtari J, Mahmoodi NM (2009) Synthesis of some novel monoazo disperse dyes derived from N-carboxylic acid-1, 8-naphthalimide and their dyeing on polyethylene terephthalate (PET).

    Synthesis, structure and solvatochromic properties of some .

    In this work, the synthesis of twelve new 5-arylazo-6-hydroxy-4-phenyl-3-cyano-2-pyridones (Scheme (Scheme1), 1), their UV-vis absorption spectra (200–600 nm) in thirteen solvents of different polarity and the relationship between color and the constitution of these dyes are reported. The effects of the solvent and the substituent on the azo-hydrazone tautomeric equilibrium, and the geometry data of the …

    Synthesis, characterisation and application of disperse .

    The synthesis and characterisation of a series of disperse dyes obtained by diazotisation of heterocyclic arylamines and coupling of these compounds with N-2-hydroxyethyl-1-naphthylamine are reported. The dyes were applied to cellulose acetate and their dyeing and fastness properties were assessed and summarised.

    synthesis of some new disperse dyes derived from n phenyl naphthylamine,

    Synthesis of Some New 5-Arylazothiazole Derivatives as .

    Synthesis of Some New 5-Arylazothiazole Derivatives as Disperse Dyes for Dyeing Polyester Fibers DOI: 10.5923/j.textile.20120106.02 Keywords: Thiosemicarbazone, Thiazolidin-4-one, Mercaptonicotinonitrile, Azo Coupling, Disperse Dyes, Polyester Fibers, Fastness Properties

    Synthesis, Structure Elucidation and Application of Some .

    348 Moaz M. Abdou et al.: Synthesis, Structure Elucidation and Application of Some New Azo Disperse Dyes Derived from 4-Hydroxycoumarin for Dyeing Polyester Fabrics and bleached polyester (150:130 g/m2, 70/2 denier) was obtained from El-Shourbagy, Egypt.

    Synthesis, characterisation and application of disperse .

    Aug 01, 2001· Read "Synthesis, characterisation and application of disperse dyes derived from N -2-hydroxyethyl-1-naphthylamine, Dyes and Pigments" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

    Efficient and Convenient Route for the Synthesis of Some .

    It was of interest to study the reactivity of antipyrinylhydrazonomalononitrile towards different nitrogen nucleophiles as well as activated nitriles. Considerable studies have been devoted to azo dyes derived from 4-aminoantipyrine [15–19]. Fadda et al. [20–24] have reported the synthesis of different azo disperse dyes for synthetic fibers.

    Synthesis of Symmetric Bridged Bis-Pyrazolone Based Metal .

    Our present investigation aims at the synthesis and application of new, symmetric bridged bis-pyrazolone based acid dyes. . Otutu JO (2011) Synthesis of some new disperse dyes derived from N-phenyl Naphthylamine. Orient J Chem 27:1011 Google Scholar. 2. Kirkan B, Gup R (2008) Synthesis of new azo dyes and copper (II) complexes derived from .

    Synthesis of some novel heterocyclic dyes derived from .

    Synthesis of some novel heterocyclic dyes derived from pyrazole derivatives H.F. Rizk *, M.A . polyester and a blend of wool/polyester as disperse dyes) and their fastness properties were evaluated. ª 2010 King Saud University. . 1980). We now report on the successful synthesis of some new 3-substituted 5-amino-4-arylazopyrazoles and 3 .

    (PDF) Some heterocyclic azo dyes derived from thiazolyl .

    Some heterocyclic azo dyes derived from thiazolyl derivatives; synthesis; substituent effects and solvatochromic studies Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2010 Asadollah Mohammadi

    Disazo Disperse Dyes Derived from 2-chloro-4-methylaniline .

    Abstract: In this study, the synthesis and application of some new disazo disperse dyes derived from 2-chloro-4-methylaniline and 3-aminophenol on nylon 6 fabric are described. The dyes were synthesized via diazotisation of 2-chloro-4-methylaniline using sodium nitrite in an acid (H 2 SO 4 ) medium and coupling the diazonium salt solution .

    Synthesis of Some New 5-Arylazothiazole Derivatives as .

    In continuation of our previous studies[9, 12-15] on the synthesis of a variety of thiazole derivatives from the readily obtainable cheapest starting materials for dyeing polyester fabrics, we focused on the synthesis of several new S/N heterocyclic azo dyes and their applications as azo-disperse dyes for dyeing polyester fibers.

    Synthesis of n-phenyl-2-naphthylamine - PrepChem

    Feb 24, 2016· Three fractions are taken: about 80 grams of aniline, about 10 grams of an intermediate fraction containing some aniline, a little 1-naphthylamine, and mainly n-phenyl-2-naphthylamine, and finally, 190 to 200 grams of n-phenyl-2-naphthylamine which solidifies at …

    A synthesis of some new 4-arylidene-5(4H)-oxazolone azo .

    Herein, we wish to report a novel method for synthesis of some new 4-arylidene-5(4H)-oxazolone azo dye derivatives from sodium 2-[4-{2-[4-(dimethylamino)phenyl]-1-diazenyl} benzoylamino]acetate and corresponding aldehydes in the presence of PPh3 and CCl4 …

    Disazo Disperse Dyes Derived from 2-chloro-4-methylaniline .

    In this study, the synthesis and application of some new disazo disperse dyes derived from 2-chloro-4-methylaniline and 3-aminophenol on nylon 6 fabric are described. The dyes were synthesized via diazotisation of 2-chloro-4-methylaniline using sodium nitrite in an acid (H 2 SO 4 ) medium and coupling the diazonium salt solution produced with 3-aminophenol to give an intermediate azo compound.

    Synthesis and dyeing properties of some new monoazo .

    Monoazo dyes with a heterocyclic system is very useful class of disperse dyes. Some very important heterocyclic diazo components such as thiazoles, isothiazoles, thiadiazoles, thiophenes, and 4-oxoquinazolines give very good disperse dyes with excellent all round fastness properties (Weaver and Shuttleworth, 1982).

    (PDF) Synthesis, substituent effects and solvatochromic .

    Synthesis, substituent effects and solvatochromic properties of some disperse azo dyes derived from N-phenyl-2, 2′-iminodiethanol Asadollah Mohammadi M. Yazdanbod

    Dr. Asadollah Mohammadi - Guilan

    8. M.R. Yazdanbakhsh and A. Mohammadi, "Synthesis of some disperse monoazo dyes derived from N-phenyl- 2, 2'- iminodiethanol and studding of their electronic absorption spectra in various solvents" 3rd international color and coatings congress (ICCC 2009). 16-18 Nov 2009, Tehran, Iran . 9.

    Preparation of nano disperse dye based on benzopyran in .

    This work combine the using of microwave radiation in the preparation of some novel heterocyclic compounds based on 4-Hchromene derivatives using in one pot multi-component reaction then the produced disperse dyes were subjected to sonication to reduce its particle size and be applied as nano-pigment in printing of linen, polyester and cotton/polyester fabrics.

    synthesis of some new disperse dyes derived from n phenyl naphthylamine,

    Colour and Dyeing Properties of Hetarylazo Disperse Dyes .

    Synthesis, characterization and application of some disperse dyes derived from N-2-hydroxyethyl-1-naphthylamine. Dyes and Pigments, 50, 93-97 (2001) [7] Georgiadou K Tsatsaroni EG. Hetarylazo disperse dyes derived from substituted N,N-bis-β-hydroxy- and bis-β-acetoxy-ethylaniline. Dyes and Pigments, 53, 73-78 (2002)

    Synthesis of Some Novel Biologically Active Disperse Dyes .

    Synthesis of Some Novel Biologically Active Disperse Dyes Derived from 4-Methyl-2,6-dioxo-1-propyl-1,2,5,6-tetrahydro- . which were anticipated to be excellent new disperse dyes for the dyeing of . Synthesis of some novel biologically active disperse dyes 12a,b and 13a–c. N CH3 CN O O C3H7 Het NNCl Ar NNCl N CH3 CN O O C3H7 Het N N H N .

    Synthesis, structure and solvatochromic properties of some .

    A series of some novel arylazo pyridone dyes was synthesized from the corresponding diazonium salt and 6-hydroxy-4-phenyl-3-cyano-2-pyridone using a classical reaction for the synthesis of the azo compounds. The azo-hydrazone tautomeric equilibration was …

    Synthesis and Evaluation of Changes Induced by Solvent and .

    We report the synthesis of a series of new azo dyes based on barbituric acid (Scheme 1). Scheme 1: Chemical structures of new azo dyes ( 4a – 4f ). The visible absorption spectra in various solvents of these dyes and effects of substituents of aromatic aldehyde, barbiturate, and thiobarbiturate ring on the color of dyes were also discussed.

    Synthesis of Some Novel Biologically Active Disperse Dyes .

    Synthesis of Some Novel Biologically Active Disperse Dyes Derived from 4-Methyl-2,6-dioxo-1-propyl-1,2,5,6-tetrahydro-pyridine-3-carbonitrile as Coupling Component and Their Colour Assessment on Polyester Fabrics

    Asadollah Mohammadi - Google Scholar Citations

    Novel azo disperse dyes derived from N-benzyl–N-ethyl–aniline: Synthesis, solvatochromic and optical properties MR Yazdanbakhsh, A Mohammadi, E Mohajerani, H Nemati, NH Nataj, . Journal of Molecular Liquids 151 (2-3), 107-112, 2010

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