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- W4280490959 abstract "The successful application of fragment-based drug discovery strategy for the efficient synthesis of phenoxy- or phenylamino-2-phenyl-benzofuran, -benzoxazole and -benzothiazole quinones is described. Interestingly, in the final step of the synthesis of the target compounds, unusual results were observed on the regiochemistry of the reaction of bromoquinones with phenol and aniline. A theoretical study was carried out for better understanding the factors that control the regiochemistry of these reactions. The substituted heterocyclic quinones were evaluated in vitro to determine their cytotoxicity by the MTT method in three pancreatic cancer cell lines (MIA-PaCa-2, BxPC-3, and AsPC-1). Phenoxy benzothiazole quinone 26a showed potent cytotoxic activity against BxPC-3 cell lines, while phenylamino benzoxazole quinone 20 was the most potent on MIA-PaCa-2 cells. Finally, electrochemical properties of these quinones were determined to correlate with a potential mechanism of action. All these results, indicate that the phenoxy quinone fragment led to compounds with increased activity against pancreatic cancer cells." @default.
- W4280490959 created "2022-05-22" @default.
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- W4280490959 date "2022-05-17" @default.
- W4280490959 modified "2023-09-30" @default.
- W4280490959 title "Phenoxy‐ and Phenylamino‐Heterocyclic Quinones: Synthesis and Preliminary Anti‐Pancreatic Cancer Activity" @default.
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- W4280490959 doi "https://doi.org/10.1002/cbdv.202101036" @default.
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