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N.S. Joshi, A.A. Shaikh, A.P. Deshpande, B.K. Karale, S.B. Bhirud and C.H. Gill, “Synthesis, characterization and antimicrobial activities of some fluorine containing 2 (1-phenyl-3-aryl-1H-pyrazol-4-yl)-3-chlorochromones, 2- (1-Phenyl-3-aryl-1H-pyrazol-4-yl)chromones and 5-(1- phenyl-3-aryl-1H-pyrazol-4-yl)-3-(2-hydroxyphenyl)-4,5-dihydropyrazolines”, Indian Journal of Chemistry, Vol. 44B, 2005, pp. 422-425.

has been cited by the following article:

• TITLE: Synthesis, Antioxidant and Antimicrobial Activities of a Novel Series of Chalcones, Pyrazolic Chalcones, and Allylic Chalcones

  AUTHORS: Tan Nhut Doan, Dao Thanh Tran

  KEYWORDS: AllylicChalcones, Antioxidant Activity, Antimicrobial Activity, PyrazolicChalcones

  JOURNAL NAME: Pharmacology & Pharmacy, Vol.2 No.4, October 18, 2011

  ABSTRACT: A new series of chalcones (4a-c) and allylicchalcones (11a-b) have been prepared by the Claisen-Schmidt condensation. A novel series of pyrazolicchalcones (5a-c) have been synthesized by the reaction of respective chalcones (4a-c) and hydrazine hydrate. The structures of the compounds were confirmed by spectral data (infrared spectroscopy and 1H nuclear magnetic resonance). All of the compounds (4/5a-c and 11a-b) have been tested for their antimicrobial activities (agar disc-diffusion method) and antioxidant activities (1,1-biphenyl-2-picrylhydrazyl free radical scavenging method). The test compounds failed to show antibacterial properties (4a-c, 5b, and 11a-b) or exhibited such properties poorly (5a and 5c). None of the test compounds displayed antifungal properties. Of the compounds tested, compounds 5a-c and 11a-b exhibited promising antioxidant activities.