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1.Archiv der Pharmazie
Volume 320 Issue 3, Pages 223 - 228
Nitriles in Heterocyclic Synthesis: Synthesis of New Pyrazolo [1,5-a]pyrimidines, Pyrano[2,3-c]pyrazoles and Pyrano[3,4-c] pyrazoles
Galal Eldin Hamza Elgemeie, Bahia Y. Riad , Galal A. Nawwar , Sherif Elgamal

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http://dx.doi.org/10.1002/ardp.19873200307

2.Archiv der Pharmazie
Volume 321 Issue 12, Pages 851 - 854
Studies on Heterocyclic Amidines: Synthesis of New Azaindene Derivatives
Mohamed H. Elnagdi, Kamal U. Sadek, Fathy M. A. Galil, Sanaa M. E. Hassan

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http://dx.doi.org/10.1002/ardp.19883211205

3.Monatshefte für Chemie
Volume 115, Number 12 / Декабрь 1984 г.
α,β-Unsaturated nitriles in heterocyclic synthesis: Synthesis of some new pyrazolo[1,5-a]pyrimidine derivatives
Abdel-Ghani A. El-Agamey, Sanaa O. Abdalla and Mohamed R. H. Elmoghayar

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http://dx.doi.org/10.1007/BF008163

4.Journal of Chemical & Engineering Data; 1985; 30(4) pp 514 - 515
Reactions with heterocyclic amidines: synthesis of several new pyrazolo[1,5-a]pyrimidines and pyrazolo[1,5-c]-as-triazines
Kamal Usef Sadek, Maghraby Aly Selim, and Mohamed Abdallah El-Maghraby

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http://dx.doi.org/10.1021%2Fje00042a048

5.Journal of the Chemical Society, Perkin Transactions 1, 1983,N1 pp.11 - 16,
The reaction of phenylmalononitrile with hydrazine. Synthesis and properties of 3,5-diamino-4-phenylpyrazole, 2-amino-3-phenylpyrazolo[1,5-a]pyrimidine, and related compounds
Gury Zvilichovsky and Mordechai David

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http://dx.doi.org/10.1039/P19830000011

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