Synthesis, characterization, crystal structure and anti-proliferative properties of curcumin mimic conjugates

Alsfouk, Aisha A., Kariuki, Benson M. ORCID: https://orcid.org/0000-0002-8658-3897, Saleh, Asmaa and Srour, Aladdin M. 2025. Synthesis, characterization, crystal structure and anti-proliferative properties of curcumin mimic conjugates. Synthetic Communications 55 (13) , pp. 1029-1043. 10.1080/00397911.2025.2520609

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Abstract

Three novel 4-piperidone-based derivatives (3a–c) were synthesized utilizing the base-catalyzed condensation method (KOH/EtOH) with aromatic aldehydes (2a–c) featuring secondary amine rings, specifically piperidine, morpholine, and methyl piperazine. The three newly synthesized derivatives were characterized through X-ray crystallography, and their anti-proliferative effects were assessed against three different human cancer cell lines: breast carcinoma (MCF-7), liver cancer (HepG-2), and colorectal carcinoma (HCT-116), along with a normal cell line (RPE1), following the MTT assay procedure. Among them, compound 3c demonstrated the highest efficacy against all tested cell lines, demonstrating IC50 = 1.07 ± 0.04 μM for MCF-7 and 2.55 ± 0.07 μM for HepG-2, compared to the standard reference, Doxorubicin, which had IC50 = 5.38 ± 0.05 μM and 4.25 ± 0.01 μM, respectively. Moreover, a molecular docking study confirmed the stable interaction of compound 3c within the ATP binding site of human cyclin-dependent kinase 2 (CDK2). This study introduces three promising intermediates for further research in medicinal chemistry.

Item Type:	Article
Date Type:	Published Online
Status:	Published
Schools:	Schools > Chemistry
Publisher:	Taylor and Francis Group
ISSN:	0039-7911
Last Modified:	07 Jul 2025 14:00
URI:	https://orca.cardiff.ac.uk/id/eprint/179601

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