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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 34, Number 5
BKCSDE 34(5)
May 20, 2013 

 
Title
Synthesis of Novel N-(2-Hydroxyphenyl)arylsulfonamides as Selective HDAC Inhibitory and Cytotoxic Agents
Author
Jungsu Kim, Pusoon Chun*, Hyung Ryong Moon*
Keywords
HDAC inhibition, Anticancer activity, MS-275, N-(2-Hydroxyphenyl)sulfamoyl, Arylsulfonamide
Abstract
Based on the finding that the 2-aminobenzamido group of MS-275 plays a crucial role in inhibiting HDACs through chelation of zinc existing at the active site of HDAC enzymes, novel N-(2-hydroxyphenyl)arylsulfonamide derivatives were synthesized for their potential ability to inhibit HDACs and evaluated for anticancer activity against human breast cancer cell line (MCF-7). Although the synthesized arylsulfonamides have failed to significantly inhibit total HDACs activity, phenyl carbamate-linked arylsulfonamide 10 and benzyl thiocarbamate-linked arylsulfonamide 15 exhibited good anticancer activities, which were only 4.3- and 3.6-fold lower anticancer activities, respectively, than MS-275 that is undergoing phase II clinical trials. These results suggest that these compounds may act as a selective HDAC inhibitor and probably N-(2-hydroxyphenyl) sulfamoyl group may play an important role in interacting with HDAC enzymes through chelation of zinc ion.
Page
1487 - 1493
Full Text
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