Synthesis of 1-Chloroacetyl-1-dehydroxy-2,3,5-tri-O-benzoyl-β-D-ribofuranose. A Potentially Versatile Intermediate for the Synthesis of C-Nucleosides
作者:Hyo Kyung Han、Jae Chul Lee、Yong Han Kang、Joong-Hyup Kim、Dae Yoon Chi
DOI:10.1080/00397919208021547
日期:1992.11
Abstract New key carbohydrate intermediate, 1-chloroacetyl-1-dehydroxy-2,3,5-tri-O-benzoyl-β-D-ribofuranose (1a), has been synthesized. The application of this key intermediate would be very wide. We have very conveniently synthesized several C-nucleosides including monocyclic and 5,5-membered bicyclic compounds from this intermediate.
Pyrazole-Based Lactate Dehydrogenase Inhibitors with Optimized Cell Activity and Pharmacokinetic Properties
作者:Ganesha Rai、Daniel J. Urban、Bryan T. Mott、Xin Hu、Shyh-Ming Yang、Gloria A. Benavides、Michelle S. Johnson、Giuseppe L. Squadrito、Kyle R. Brimacombe、Tobie D. Lee、Dorian M. Cheff、Hu Zhu、Mark J. Henderson、Katherine Pohida、Gary A. Sulikowski、David M. Dranow、Md Kabir、Pranav Shah、Elias Padilha、Dingyin Tao、Yuhong Fang、Plamen P. Christov、Kwangho Kim、Somnath Jana、Pavan Muttil、Tamara Anderson、Nitesh K. Kunda、Helen J. Hathaway、Donna F. Kusewitt、Nobu Oshima、Murali Cherukuri、Douglas R. Davies、Jeffrey P. Norenberg、Larry A. Sklar、William J. Moore、Chi V. Dang、Gordon M. Stott、Leonard Neckers、Andrew J. Flint、Victor M. Darley-Usmar、Anton Simeonov、Alex G. Waterson、Ajit Jadhav、Matthew D. Hall、David J. Maloney
DOI:10.1021/acs.jmedchem.0c00916
日期:2020.10.8
of compounds, using structure-based design concepts, coupled with optimization of cellular potency, in vitro drug–target residence times, and in vivo PK properties, to identify first-in-class inhibitors that demonstrate LDH inhibition in vivo. The lead compounds, named NCATS-SM1440 (43) and NCATS-SM1441 (52), possess desirable attributes for further studying the effect of in vivo LDH inhibition.
Synthesis of New Surfactants Mono and Bipolar Derived from 1,2,4‐Triazole‐5‐thione
作者:Driss Chebabe、Ahmed Dermaj、Zine El Abidine Ait Chikh、Najat Hajjaji、Isabelle Rico‐Lattes、Armand Lattes
DOI:10.1081/scc-200036625
日期:2004.12.31
first is a condensation of the thiosemicarbazide with the benzoyl chloride and the acetyl chloride for the PTS and MTS respectively in pyridinic medium. This step leads to the formation of 1‐benzoylthiosemicarbazide and 1‐acetylthiosemicarbazide. The 1‐acetylthiosemicarbazide is also prepared with a new method consisted of a simple solvolysis the thiosemicarbazide in acetic acid for 4 hr. The second is
1-ferrocenyl-2-(3-phenyl-1H-1,2,4-triazol-5-ylthio)ethanone derivatives was synthesized by the reaction of 3-substituted-1H-1,2,4-triazole-5-thiol and chloroacetyl ferrocene in the presence of sodium hydride and potassium iodide at reflux. The structures of the new compounds were determined by IR and 1H NMR spectroscopy and HRMS. The structure of compound 5c was established by X-ray crystallography. UV–vis
通过3-取代的-1 H -1,2,4的反应合成了一系列新型的1-二茂铁基-2-(3-苯基-1 H -1,2,4-三唑-5-基硫基)乙酮衍生物-三唑-5-硫醇和氯乙酰基二茂铁在氢化钠和碘化钾存在下回流。通过IR和1 H NMR光谱以及HRMS确定新化合物的结构。通过X射线晶体学确定化合物5c的结构。在乙醇和二氯甲烷中记录了紫外可见吸收和荧光光谱。结果表明,化合物5a–g显示出相似的吸收范围从300到500 nm,最大发射带约为566 nm。荧光强度和最大发射带取决于与三唑环键合的基团。
Discovery and Optimization of Potent, Cell-Active Pyrazole-Based Inhibitors of Lactate Dehydrogenase (LDH)
作者:Ganesha Rai、Kyle R. Brimacombe、Bryan T. Mott、Daniel J. Urban、Xin Hu、Shyh-Ming Yang、Tobie D. Lee、Dorian M. Cheff、Jennifer Kouznetsova、Gloria A. Benavides、Katie Pohida、Eric J. Kuenstner、Diane K. Luci、Christine M. Lukacs、Douglas R. Davies、David M. Dranow、Hu Zhu、Gary Sulikowski、William J. Moore、Gordon M. Stott、Andrew J. Flint、Matthew D. Hall、Victor M. Darley-Usmar、Leonard M. Neckers、Chi V. Dang、Alex G. Waterson、Anton Simeonov、Ajit Jadhav、David J. Maloney
DOI:10.1021/acs.jmedchem.7b00941
日期:2017.11.22
pyrazole-based inhibitors of human lactatedehydrogenase (LDH). Utilization of a quantitative high-throughput screening paradigm facilitated hit identification, while structure-based design and multiparameter optimization enabled the development of compounds with potent enzymatic and cell-based inhibition of LDH enzymatic activity. Lead compounds such as 63 exhibit low nM inhibition of both LDHA and