Heterocyclization of 2-(2-phenylhydrazono)cyclohexane-1,3-dione to Synthesis Thiophene, Pyrazole and 1,2,4-triazine Derivatives with Anti-Tumor and Tyrosine Kinase Inhibitions.

Anti-cancer Agents in Medicinal Chemistry
Rafat M Mohareb, Ensaf S Alwan

Abstract

Recently tetrahydrobenzo[b]thiazole derivatives acquired a special attention due to their wide range of pharmacological activities especially the therapeutic activities. Through the market it was found that many pharmacological drugs containing the thiazole nucleus were known. This work aimed to synthesize target molecules not only possess anti-tumor activities but also kinase inhibitors. The target molecules were obtained starting from the arylhydrazonocyclohexan-1,3-dione followed by their heterocyclization reactions to produce anticancer target molecules. The arylhydrazone derivatives 3a-c underwent different heterocyclization reactions to produce thiophene, thiazole, pyrazole and 1,2,4-triazine derivatives. The anti-proliferative activity of twenty six compounds among the synthesized compounds toward the six cancer cell lines namely A549, H460, HT-29, MKN-45, U87MG, and SMMC-7721 was studied. Anti-proliferative evaluations, tyrosine and Pim-1 kinase inhibitions were perform for most of the synthesized compounds where the varieties of substituent through the aryl ring and the thiophene moiety afforded compounds with high activities. The compounds with high anti-proliferative activity towards the cancer cell lines showed that...Continue Reading

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