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Synthesis and Anti-tumor Activities of Novel Phenyl Substituted Suberoylanilide Hydroxamic Acid Derivatives Against Human Cancer Cells

[ Vol. 11 , Issue. 7 ]

Author(s):

Rui Xie, Jinghua Shi, Yue Qu, Pingwah Tang, Xinying Wu, Ming Yang and Qipeng Yuan   Pages 636 - 648 ( 13 )

Abstract:


A facile and atom-economical boric acid catalyzed direct amidation without any coupling agents for the preparation of Suberoylanilide Hydroxamic Acid (SAHA) and SAHA-based inhibitors targeting anti-proliferation of cancer cells is described. It is applicable to the preparation of SAHAbased inhibitors having an unprotected hydroxyl group in the phenyl ring without the need of the protection. The in-vitro assays data indicate that the nature and the position of the substituents (activating and/or deactivating) in the capping group (phenyl ring) of SAHA-based inhibitors synthesized in this study have a vital impact on the potency of anti-proliferative activity against cancer cells. With low toxicity toward the normal cells, a number of synthesized SAHA-based inhibitors with two substituents in the phenyl ring possess higher antiproliferative activity than SAHA and Cisplatin toward six studied cancer cell lines: A375 human skin cancer cells, A549 human lung cancer cells, MGC80-3 human gastric cancer cells, H460 human lung cancer cells, H1299 human lung cancer cells, and HepG2 human liver cancer cells. Cisplatin is a common chemotherapeutic drug with high cytotoxicity for a variety of cancer treatments. The inhibitors provided in this study might signify future therapeutic drugs for cancer treatment.

Keywords:

Boric acid, SAHA-based inhibitors, anti-proliferation, Cisplatin, hydroxamic acid.

Affiliation:

College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China.

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