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(searched for: (10.5155/eurjchem.2.3.311-313.414))
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Assia Sid, Kaddour Lamara, Mahieddine Mokhtari, Nouara Ziani, Paul Mosset
European Journal of Chemistry, Volume 2; doi:10.5155/eurjchem.2.3.311-313.414

Abstract:
Reaction of chalcone derivatives 1-4 with hydrazine hydrate in presence of formic acid yielded 2-pyrazolines 5-8. Structures of these compounds have been elucidated by spectroscopic methods; IR, UV, 1H NMR, 13C NMR. Their purities were confirmed by elemental analyses.
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