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Molbank 2017, 2017(4), M970; https://doi.org/10.3390/M970

4-Phenethylthio-2-phenylpyrazolo[1,5-a][1,3,5]triazin-7(6H)-one

1
Department of Pharmacognosy, Perm State Pharmaceutical Academy, 2 Polevaya Street, 614081 Perm, Russia
2
Department of General and Organic Chemistry, Perm State Pharmaceutical Academy, 2 Polevaya Street, 614081 Perm, Russia
3
Department of Pharmacy, Faculty of Science, National University of Singapore, 18 Science Drive 4, Singapore 117543, Singapore
4
School of Pharmacy, Curtin Health Innovation Research Institute, Faculty of Health Sciences, Curtin University, GPO Box U1987, Perth, Western Australia 6845, Australia
5
School of Pharmacy, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, Selangor Darul Ehsan 47500, Malaysia
*
Author to whom correspondence should be addressed.
Received: 27 November 2017 / Revised: 12 December 2017 / Accepted: 14 December 2017 / Published: 15 December 2017
(This article belongs to the Special Issue Heterocycles)
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Abstract

Exploring the pharmacologically important pyrazolo[1,5-a][1,3,5]triazin-7(6H)-one scaffold for the construction of new bioactive compounds, we developed a synthesis of 4-phenethylthio-2-phenylpyrazolo[1,5-a][1,3,5]triazin-7(6H)-one (4) via S-alkylation of 2-phenyl-4-thioxopyrazolo[1,5-a][1,3,5]triazine-7(6H)-one (3), prepared by the double ring closure of pyrazole and triazine rings upon the treatment of 1-cyanoacetyl-4-benzoylthiosemicarbazide (2) with alkali. The antiproliferative activity of 4 against human lung cancer (A549) and human breast cancer (MDA-MB231) cell lines was investigated. Compound 4 was found to be more active against lung cancer cells than breast cancer cells. View Full-Text
Keywords: pyrazole; triazine; purine isostere; pyrazolotriazine; anticancer activity pyrazole; triazine; purine isostere; pyrazolotriazine; anticancer activity
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Smolnikov, S.A.; Gorgopina, E.V.; Lezhnyova, V.R.; Ong, G.E.-T.; Chui, W.-K.; Dolzhenko, A.V. 4-Phenethylthio-2-phenylpyrazolo[1,5-a][1,3,5]triazin-7(6H)-one. Molbank 2017, 2017, M970.

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