Synthesis of novel 4‐(1‐(2‐cyclopropylphenyl)‐2‐(4‐substituted‐1H‐1,2,3‐triazol‐1‐yl)ethyl)morpholine analogues were demonstrated by conventional synthetic procedures. The structure of all the newly synthesized compounds were determined by 1H‐NMR, 13C‐NMR, HRMS and CHN analysis. Cytotoxicity of all synthesized compounds were tested against MCF‐7 Cell lines in different concentrations. The IC50 value of compounds was calculated using graph Pad Prism Version5.1. 4‐chloro substituted analogue exhibited superior result than the standard reference Doxorubicin drug. Compounds which are containing 3‐methoxy, 2‐methoxy and 4‐methoxy substituents showed a moderate effect, and 2‐chloro, 3‐triflouromethyl and 2‐methyl substituted analogues showed lower results. Molecular docking studies performed on the crystal structure of human estrogen receptor alpha ligand‐binding domain with all molecules and are well in agreement with cell line studies. The predicted pharmacokinetics support that these compounds have more drug‐likeness properties.
In this study, a series of novel geminal bis 1,2,3-triazoles linked to 2H-furo [2,3-d][1,3]thiazine-2,4,5(1H,6H)-trione (3a-3m) were prepared in one pot)-trione (2) followed by Cu(I)-catalyzed azide-alkyne cycloaddition. The synthesized compounds were further explored for in vitro cytotoxic activity against PC3, A549, MCF-7, and HeLa cell lines and results revealed that the five compounds 3c, 3d, 3g, 3l, and 3m have displayed comparable in vitro cytotoxic activity with the standard drug Etoposide.
A series of novel carboxamide and carbohydrazide functionalized pyridopyrimidine derivatives was prepared starting from 6-methyl/ethyl-2-oxo-4-(trifluoromethyl)-1,2-dihydropyridine-3-carbonitrile 1. Compound 1 on reaction with sulphuric acid gave compound 2. Compound 2 on reaction with chloroacetamide followed by reaction with EMME coupling and further cyclization gave compound 5. Compound 5 on reaction with hydrazine hydrate produced hydrazide derivatives 6. Compound 6 on reaction with diverse substituted aromatic aldehyde gave Schiff’s base derivatives 7a-j. Ester derivatives 5 on reaction with different aliphatic amine gave carboxamide derivatives 8a-f. All the final 7a-j and 8a-f compounds were evaluated for anti cancer activity against four human cancer cell lines such as HeLa - Cervical cancer (CCL-2), COLO 205- Colon cancer (CCL-222); HepG2- Liver cancer (HB-8065), MCF7 - Breast cancer (HTB-22) and promising compounds 7e, 7h and 7j have been identified.
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