Liu, Wenwu; Wu, Limeng; Li, Deping; Huang, Yaoguang; Liu, Mingyue; Liu, Wenjie; Tian, Caizhi; Liu, Xin; Jiang, Xiaowen; Hu, Xiaolong; Gao, Xudong; Xu, Zihua; Lu, Hongyuan; Zhao, Qingchun published the artcile< Discovery of novel tacrine derivatives as potent antiproliferative agents with CDKs inhibitory property>, Name: 2-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine, the main research area is human colon lung cancer CDK9 antiproliferative anticancer tacrine derivative; AChE; CDK2; CDK9; Cancer therapeutics; Tacrine.
Tacrine was the first approved drug by the FDA for the treatment of Alzheimer′s disease (AD) but was withdrawn from the market due to its dose-dependent hepatotoxicity. Herein, we describe our efforts toward the discovery of a novel series of tacrine derivatives for cancer therapeutics. Intensive structural modifications of tacrine led to the identification of N-(4-{9-[(3S)-3-aminopyrrolidin-1-yl]-5,6,7,8-tetrahydroacridin-2-yl}pyridin-2-yl)cyclopropanecarboxamide hydrochloride ((S)-45, ZLWT-37) as a potent antiproliferative agent (GI50 = 0.029 μM for HCT116). In addition, ZLWT-37 exhibited lower inhibitory activity against acetylcholinesterase (AChE) and butyrylcholinesterase (BuChE) compared to tacrine. The in vitro studies demonstrated that ZLWT-37 could significantly induce apoptosis and arrest the cell cycle in the G2/M phase in HCT116 cells. The in vivo studies revealed that compound ZLWT-37 showed excellent antitumor efficacy in HCT116 xenograft tumor model and favorable pharmacokinetics profiles (F% = 28.70%) as well as low toxicity in the acute toxicity test with a median LD (LD50) of 380.3 mg/kg. Encouragingly, ZLWT-37 had no obvious hepatotoxicity, nephrotoxicity, and hematol. toxicity. Kinase assay suggested that ZLWT-37 possessed potent cyclin-dependent kinase 9 (CDK9) inhibitory activity (IC50 = 0.002 μM) and good selectivity over CDK2 (IC50 = 0.054 μM). Collectively, these findings indicate that compound ZLWT-37 is a promising anti-cancer agent that deserves further preclin. evaluation.
Bioorganic Chemistry published new progress about Antiproliferative agents. 660867-80-1 belongs to class alcohols-buliding-blocks, and the molecular formula is C12H18BNO2, Name: 2-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine.
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