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Chem Asian J. 2019 Apr 15;14(8):1151-1157. doi: 10.1002/asia.201801313. Epub 2018 Nov 14.

Synthesis and Microtubule-Destabilizing Activity of N-Cyclopropyl-4-((3,4-dihydroquinolin-1(2H)-yl)sulfonyl)benzamide and its Analogs.

Author information

1
School of Biological Sciences, Victoria University of Wellington, P.O. Box 600, Wellington, 6140, New Zealand.
2
Ferrier Research Institute, Victoria University of Wellington, P.O. Box 600, Wellington, 6140, New Zealand.
3
Auckland Cancer Society Research Centre, The University of Auckland, Auckland, New Zealand.
4
Cawthron Institute, 98 Halifax St East, The Wood, Nelson, 7010, New Zealand.

Abstract

While clinically useful, microtubule-targeting agents are limited by factors that include their susceptibility to multidrug resistance. A series of aryl sulfonamides, terminally substituted with an amide or carboxylic acid, was synthesized and assayed for biological activity in two human cancer cell lines. The resulting antiproliferative activity data demonstrated that an amide was superior to a carboxylic acid in the para position. The most potent compound (3) had an IC50 for growth inhibition in the low micromolar range, caused cells to accumulate in G2 M of the cell cycle, and led to depolymerization of microtubules. It was also not susceptible to the P-glycoprotein drug efflux pump that underpins the resistance of cells to long-term drug treatment schedules.

KEYWORDS:

antiproliferative activity; aryl sulfonyl amide; cancer; microtubule-destabilizing agents; microtubules

PMID:
30311418
DOI:
10.1002/asia.201801313

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