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Synthesis of fluoro-functionalized diaryl-?3-iodonium salts and their cytotoxicity against human lymphoma U937 cells.


ABSTRACT: Conscious of the potential bioactivity of fluorine, an investigation was conducted using various fluorine-containing diaryliodonium salts in order to study and compare their biological activity against human lymphoma U937 cells. Most of the compounds tested are well-known reagents for fluoro-functionalized arylation reactions in synthetic organic chemistry, but their biological properties are not fully understood. Herein, after initially investigating 18 fluoro-functionalized reagents, we discovered that the ortho-fluoro-functionalized diaryliodonium salt reagents showed remarkable cytotoxicity in vitro. These results led us to synthesize more compounds, previously unknown sterically demanding diaryliodonium salts having a pentafluorosulfanyl (SF5) functional group at the ortho-position, that is, unsymmetrical ortho-SF5 phenylaryl-?3-iodonium salts. Newly synthesized mesityl(2-(pentafluoro-?6-sulfanyl)phenyl)iodonium exhibited the greatest potency in vitro against U937 cells. Evaluation of the cytotoxicity of selected phenylaryl-?3-iodonium salts against AGLCL (a normal human B cell line) was also examined.

SUBMITTER: Das P 

PROVIDER: S-EPMC5815272 | biostudies-literature | 2018

REPOSITORIES: biostudies-literature

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Synthesis of fluoro-functionalized diaryl-λ<sup>3</sup>-iodonium salts and their cytotoxicity against human lymphoma U937 cells.

Das Prajwalita P   Tokunaga Etsuko E   Akiyama Hidehiko H   Doi Hiroki H   Saito Norimichi N   Shibata Norio N  

Beilstein journal of organic chemistry 20180207


Conscious of the potential bioactivity of fluorine, an investigation was conducted using various fluorine-containing diaryliodonium salts in order to study and compare their biological activity against human lymphoma U937 cells. Most of the compounds tested are well-known reagents for fluoro-functionalized arylation reactions in synthetic organic chemistry, but their biological properties are not fully understood. Herein, after initially investigating 18 fluoro-functionalized reagents, we discov  ...[more]

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