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Synthesis and evaluation of antitumor activities of novel chiral 1,2,4-triazole Schiff bases bearing ?-butenolide moiety.


ABSTRACT:

Background

1,2,4-Triazole derivatives have received much attention due to their versatile biological properties including antibacterial, antifungal, anticonvulsant, antiinflammatory, anticancer, and antiproliferative properties. 1,2,4-Triazole nucleus has been incorporated into a wide variety of therapeutically interesting molecules to transform them into better drugs. Schiff bases of 1,2,4-triazoles have also been found to possess extensive biological activities. On the other hand, ?-substituted butenolide moiety represents a biological important entity that is present in numerous biologically active natural products.

Results

We have described herein the synthesis of 12 hybrid 1,2,4-triazole Schiff bases bearing ?-substituted butenolide moiety. These compounds were synthesized by utilizing the tandem asymmetric Michael addition/elimination reaction as the key step. All the new compounds were evaluated for their in vitro anticancer activity.

Conclusions

Tandem asymmetric Michael addition/elimination approach has offered an easy access to new chiral 1,2,4-triazole compounds 7a-7l. All these chiral 1,2,4-triazole derivatives exhibited good anticancer activities towards Hela. Of all the tested compounds, the chiral compound 7l with an IC50 of 1.8 ?M was found to be the most active.

SUBMITTER: Li X 

PROVIDER: S-EPMC3490741 | biostudies-literature | 2012 Jul

REPOSITORIES: biostudies-literature

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Publications

Synthesis and evaluation of antitumor activities of novel chiral 1,2,4-triazole Schiff bases bearing γ-butenolide moiety.

Li Xiang X   Li Xue-Qiang XQ   Liu He-Mei HM   Zhou Xue-Zhang XZ   Shao Zhi-Hui ZH  

Organic and medicinal chemistry letters 20120703 1


<h4>Background</h4>1,2,4-Triazole derivatives have received much attention due to their versatile biological properties including antibacterial, antifungal, anticonvulsant, antiinflammatory, anticancer, and antiproliferative properties. 1,2,4-Triazole nucleus has been incorporated into a wide variety of therapeutically interesting molecules to transform them into better drugs. Schiff bases of 1,2,4-triazoles have also been found to possess extensive biological activities. On the other hand, γ-su  ...[more]

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