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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 35, Number 10
BKCSDE 35(10)
October 20, 2014

Title	Exploration of Isosteric Replacement of Imidazolidinone Motif in 4-Phenyl-1-arylsulfonylimidazolidinone with Pyrazole and Pyrazolidinone for Cytotoxicity
Author	Santhosh Subramanian, Vinay K. Sharma, Jieun Yun, Sang-Hun Jung*
Keywords	Arylsulfonylimidazolidinone, Pyrazolones, Pyrazolidinones, Cytotoxicity
Abstract	To investigate the possible isosteric replacement of imidazolidinone moiety in 4-phenyl-1-arylsulfonylimidazolidinones (2) for broad and potent anti-cancer agents, a series of 5-phenyl-1H-pyrazol-3-yl 1- (acyl)indoline-5-sulfonates (4) and 1-(1-(acyl)indolin-5-ylsulfonyl)-5-phenylpyrazolidin-3-ones (5) were prepared and evaluated for their cytotoxicity against six human cancer cell lines. Although the pyrazoles 4 or pyrazolidinones 5 showed relatively good activity, still they showed lesser activity in comparison to imidazolidinones 2. These activity decreases could be interpreted with the effect of change of the hydrogen bonding characteristics and the substitution pattern on structural variations of five membered rings from imidazolidinones 2 to pyrazoles 4 and pyrazolidinones 5, respectively. Therefore, it can be concluded that 4- phenyl-1-arylsulfonylimidazolidinone is a basic pharmacophore of imidazolidinones 2.
Page	2922 - 2928
Full Text	PDF

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