摘要为了寻找新型的,对环境无害的新型杀虫剂,设计并合成了一系列含各种氟基团的邻氨基苯甲酰胺。它们的结构通过1 H NMR,13 C NMR,19 F NMR,元素分析,HRMS或质谱确认。评估了它们对东方粘虫(Mythimna separata)和小菜蛾(Plutella xylostella)的杀虫活性。初步讨论了结构-活性关系(SAR)。生物学测定表明,大多数化合物表现出中等至优异的杀虫活性。特别地,Ia显示出对东方粘虫的高杀幼虫活性。同时,Iu对小菜蛾的杀幼虫效果比市售氯扑兰酯更好。
The present application includes novel inhibitors of HCV, compositions containing such compounds, therapeutic methods that include the administration of such compounds.
Discovery, Synthesis, and Biological Evaluation of Thiazoloquin(az)olin(on)es as Potent CD38 Inhibitors
作者:Curt D. Haffner、J. David Becherer、Eric E. Boros、Rodolfo Cadilla、Tiffany Carpenter、David Cowan、David N. Deaton、Yu Guo、Wallace Harrington、Brad R. Henke、Michael R. Jeune、Istvan Kaldor、Naphtali Milliken、Kim G. Petrov、Frank Preugschat、Christie Schulte、Barry G. Shearer、Todd Shearer、Terrence L. Smalley、Eugene L. Stewart、J. Darren Stuart、John C. Ulrich
DOI:10.1021/jm502009h
日期:2015.4.23
A series of thiazoloquin(az)olinones were synthesized and found to have potent inhibitory activity against CD38. Several of these compounds were also shown to have good pharmacokinetic properties and demonstrated the ability to elevate NAD levels in plasma, liver, and muscle tissue. In particular, compound 78c was given to diet induced obese (DIO) C57Bl6 mice, elevating NAD > 5-fold in liver and >1.2-fold in muscle versus control animals at a 2 h time point. The compounds described herein possess the most potent CD38 inhibitory activity of any small molecules described in the literature to date. The inhibitors should allow for a more detailed assessment of how NAD elevation via CD38 inhibition affects physiology in NAD deficient states.
Target-Based Identification and Optimization of 5-Indazol-5-yl Pyridones as Toll-like Receptor 7 and 8 Antagonists Using a Biochemical TLR8 Antagonist Competition Assay
Inappropriate activation of endosomal TLR7 and TLR8 occurs in several autoimmune diseases, in particular systemic lupus erythematosus (SLE). Herein, the development of a TLR8 antagonist competition assay and its application for hit generation of dual TLR7/8 antagonists are reported. The structure-guided optimization of the pyridone hit 3 using this biochemical assay in combination with cellular and TLR8 cocrystal structural data resulted in the identification of a highly potent and selective TLR7/8 antagonist (27) with in vivo efficacy. The two key steps for optimization were (i) a core morph guided by a TLR7 sequence alignment to achieve a dual TLR7/8 antagonism profile and (ii) introduction of a fluorine in the piperidine ring to reduce its basicity, resulting in attractive oral pharmacokinetic (PK) properties and improved TLR8 binding affinity.
COMPOUNDS WHICH SPECIFICALLY BIND TO CD38 FOR USE IN THE TREATMENT OF NEURODEGENERATIVE AND INFLAMMATORY DISEASES