Novel arylazopyrazolo[1,5-a] pyrimidine derivatives: Synthesis, properties and dyeing characteristics

Pigment and Resin Technology

Volumn 33, Issue 2, 2004, Pages 91-98

  Elgemeie, G H ^a   Helal, M H ^a   El Sayed, H M ^a  

^a Helwan University   (Egypt)

Author keywords

Dyes; Organic compounds

Indexed keywords

DERIVATIVES; DYEING; DYES; SYNTHESIS (CHEMICAL);

DYEING CHARACTERISTICS;

PIGMENTS;

3,5 DIAMINOPYRAZOLE DERIVATIVE; AZOPYRAZOLO[1,5 A]PYRIMIDINE DERIVATIVE; DYE; PYRAZOLE DERIVATIVE; PYRIMIDINE DERIVATIVE; UNCLASSIFIED DRUG;

ARTICLE; CHEMICAL ANALYSIS; CHEMICAL REACTION KINETICS; PIGMENTATION; PRODUCT RECOVERY; REACTION ANALYSIS; SYNTHESIS;

EID: 1642421309     PISSN: 03699420     EISSN: None     Source Type: Journal    
DOI: 10.1108/03699420410524902     Document Type: Article

References (12)

1. Chlost, M. and Lustig, J. (1991), "Phenylpyrazolone-based azo pigment manufacture", Vol. 114, pp. 187559b, Eur. Pat. Appl. Ep. 397,190, (C1.C09B69/04), Chem. Abst.
2. Chlost, M. and Lustig, J. (1991), "Phenylpyrazolone-based azo pigment manufacture", Vol. 114, pp. 187559b, Eur. Pat. Appl. Ep. 397,190, (C1.C09B69/04), Chem. Abst.
3. Chlost, M. and Lustig, J. (1991), "Phenylpyrazolone-based azo pigment manufacture", Vol. 114, pp. 187559b, Eur. Pat. Appl. Ep. 397,190, (C1.C09B69/04), Chem. Abst.
4. Elgemeie, G.H., Elezabawey, S.R., Ali, H.A. and Mansour, A.K. (1994), "Novel synthesis of mercaptopurine and pentaaza-as-indacene analogues: reaction of [bis(methylthio)methylene]malononitrile and ethyl 2-cyano-3,3-bis(methylthio)acrylate with 5-aminopyrazoles", Bull. Chem. Soc. Japan, Vol. 67 No. 3, pp. 738-41.
5. Elgemeie, G.H., Elfahham, H.A. and Ibraheim, Y.R. (1988), "Studies on 3,5-diaminopyrazoles: new routes for the synthesis of new pyrazoloazines and pyrazoloazoles", Liebigs Ann. Chem., pp. 819-22.
6. Elgemeie, G.H., Elghandour, A.H. and Elshimy, H. (1989), "Studies on aminoazoles: synthesis of pyrazolo[1,5-a]pyrimidines and their aza derivatives", J. Prakt. Chem., Vol. 331 No. 3, pp. 466-74.
7. Elgemeie, G.H., Helal, M.H. and El-Sayed, H.M. (2003), "Synthesis and dyeing characteristics of some new pyrazolo[1,5-a]pyrimidine derivatives containing two arylazo functions", Pigment & Resin Technology, Vol. 32 No. 2, pp. 100-6.
8. Elgemeie, G.H., Fathy, N.M., Faddah, L.M. and Ebeid, M.Y. (1991), "Reactions with 3,5-diaminopyrazoles: new routes to pyrazolo[1,5-a]pyrimidines", Arch. Pharm. (Weinheim), Vol. 324, pp. 149-52.
9. Elgemeie, G.H., Riad, B.Y., Nawwar, G.A. and Elgamal, S. (1987), "Nitriles in heterocyclic synthesis: synthesis of new pyrazolo[1,5-a]pyrimidines, pyrano[2,3-c] pyrazoles and pyrano[3,4-c]pyrazoles", Arch. Pharm. (Weinheim), Vol. 320, pp. 223-8.
10. Rangnekar, D.W. and Kanetkar, V.R. (1990), "Synthesis of 2,6-dialkylamine-5-arylazo-3-cyano-4-methylpyridines and their applications on synthetic fibres as disperse dyes", Indian J. Fibre, Text. Res., Vol. 15 No. 1, pp. 129-34.
11. The Society of Dyers and Colourists (1978), Standard Method for the Determination of the Colour Fastness of Textiles and Leather, 4th Ed., Society of Dyers and Colourists, England.
12. Trotman, E.R. (1984), Dyeing and Chemical Technology of Textile Fibres, 6th ed., London.