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Molecules 2016, 21(3), 271; doi:10.3390/molecules21030271

Biological Validation of Novel Polysubstituted Pyrazole Candidates with in Vitro Anticancer Activities

1
Department of Therapeutical Chemistry, Pharmaceutical and Drug Industries Division, National Research Centre, Giza 12622, Egypt
2
Pharmaceutical Chemistry Department, Drug Exploration & Development Chair (DEDC), College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
3
Department of Pharmaceutical Chemistry, Faculty of Pharmacy (Girls), Al-Azhar University, Cairo 11754, Egypt
*
Author to whom correspondence should be addressed.
Academic Editor: Maria Emília de Sousa
Received: 3 December 2015 / Revised: 16 February 2016 / Accepted: 19 February 2016 / Published: 26 February 2016
(This article belongs to the Section Bioorganic Chemistry)
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Abstract

With the aim of developing novel antitumor scaffolds, a novel series of polysubstituted pyrazole derivatives linked to different nitrogenous heterocyclic ring systems at the C-4 position were synthesized through different chemical reactions and characterized by means of spectral and elemental analyses and their antiproliferative activity against 60 different human tumor cell lines was validated by the U.S. National Cancer Institute using a two stage process. The in vitro anticancer evaluation revealed that compound 9 showed increased potency toward most human tumor cell lines with GI50MG-MID = 3.59 µM, as compared to the standard drug sorafenib (GI50 MG-MID = 1.90 µM). At the same time, compounds 6a and 7 were selective against the HOP-92 cell line of non-small cell lung cancer with GI50 1.65 and 1.61 µM, respectively. View Full-Text
Keywords: 1,3,4-polysubstituted pyrazole derivatives; anticancer agents; synthesis 1,3,4-polysubstituted pyrazole derivatives; anticancer agents; synthesis
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Fahmy, H.H.; Khalifa, N.M.; Ismail, M.M.F.; El-Sahrawy, H.M.; Nossier, E.S. Biological Validation of Novel Polysubstituted Pyrazole Candidates with in Vitro Anticancer Activities. Molecules 2016, 21, 271.

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