synthesis of novel carbazole chalcones - pyrazoline derivatives and study of their potential cytotoxicity to colon, lung and breast cancer
DOI:
https://doi.org/10.54153/sjpas.2025.v7i2.946Keywords:
chalcones, carbazole, pyrazoline, anti-cancer colonAbstract
Novel chalcones containing a carbazole ring were prepared through the condensation process between 9-ethyl-3-carbazolecarboxaldehyde and 2-acetyl-5-bromothiophene and 3-acetyl-2,5-dimethyl thiophene by the Claisen-Schmidt method. The chalcones are highly effective against cancer cells, so three types of cancers were used, A-549 lung cancer, MCF-7 breast cancer, and HCT-116 colon cancer: Lung cancer, MCF-7: Breast cancer, Adenocarcinoma and HCT-116: Colorectal cancer, where we observed that chalcones are very effective against colon cancer cells and IC-50 was equal to 4. 5 μM for compound La, while compound Lb had an IC-50 of 0. 9 μM, and derivatives of chalcones, which are heterocyclic pyrazoline rings, were also synthesised using hydrazine and its derivatives, these compounds are also effective against cancer cells, and a comparison was carried out between chalcones and derivatives of these rings and it was found that chalcones are more effective against colon cancer cells, where the IC-50 of compound La1 was 66.5 μM and compound Lb3 was 27.6 μM, the IC-50 of compound La1 was equal to 66.5 μM.
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