2012
DOI: 10.1002/cmdc.201100529
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Discovery of Novel 2‐N‐Aryl‐Substituted Benzenesulfonamidoacetamides: Orally Bioavailable Tubulin Polymerization Inhibitors with Marked Antitumor Activities

Abstract: The discovery and optimization of a series of 2-N-aryl-substituted benzenesulfonamidoacetamides as novel tubulin polymerization inhibitors are described. Pharmacophore exploration of hit compound AH-487 identified the optimal structure of N-heteroaryl-2-(4-methoxy-N-(3-(trifluoromethyl)phenyl)phenylsulfonamido)acetamide as a potent antimitotic agent. Subsequent lead compounds 4b and 4c, with N-4-aminophenyl and N-1H-indol-5-yl substitutions at the acetamide position, respectively, were shown to induce cell-cyc… Show more

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Cited by 17 publications
(10 citation statements)
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“…Changes in the mechanism of action have also been observed for less‐potent series . Larger more polar substitutions showed reduced potencies …”
Section: The Sulfonamidesmentioning
confidence: 87%
See 1 more Smart Citation
“…Changes in the mechanism of action have also been observed for less‐potent series . Larger more polar substitutions showed reduced potencies …”
Section: The Sulfonamidesmentioning
confidence: 87%
“…Bridge reversal has modest effects but sulfonamide nitrogen methylation enhances potency . Simultaneous removal of the methoxy groups on both rings results in dramatic potency losses . Replacement of the hydroxy group at the 3 position of the B ring by an amino group maintains the potency, but substitution of the p‐ methoxy group by methyl, amino, or acetamido groups decreases cytotoxicity .…”
Section: The Sulfonamidesmentioning
confidence: 99%
“…The acetamide functional group is responsible for antimicrobial [25, 26], antioxidant [27, 28], narcolepsy treatment [29], anti-inflammatory [30, 31], platelet aggregation inhibitory [32], and urease inhibitory activities [33]. The acetamides and their analogues are also well studied as chemotherapeutic agents [34, 35].…”
Section: Introductionmentioning
confidence: 99%
“…[24][25][26] Research efforts have been directed towards the development analogues of E7010 as inhibitors of tubulin polymerization in cancer drug discovery programs. [27][28] …”
mentioning
confidence: 98%