[EN] PYRIDINONE- AND PYRIDAZINONE-BASED COMPOUNDS AND MEDICAL USES THEREOF<br/>[FR] COMPOSÉS À BASE DE PYRIDINONE ET DE PYRIDAZINONE ET UTILISATIONS MÉDICALES ASSOCIÉES
申请人:HLA TIMOTHY
公开号:WO2019173790A1
公开(公告)日:2019-09-12
The various examples presented herein are directed to compounds of the formula A-L1-Het1-L2-Cy1 or a pharmaceutical acceptable salt, polymorph, prodrug, solvate or clathrate thereof, wherein: A is cycloalkyl, aryl, arylalkyl or heterocyclyl; Het1 is heterocyclyl containing at least two heteroatoms; Cy1 is a heterocyclyl; L1 is a bond, alkyl, alkenyl or alkynyl linker; L2 is an acyl or alkyl linker; and A and Cy1 are different. The compounds are useful in the treatment of fibrotic diseases, abnormal vascular leak and pathological angiogenesis.
[EN] PYRIDINE COMPOUND, PESTICIDAL COMPOSITION AND METHOD OF CONTROLLING PEST<br/>[FR] COMPOSÉ DE PYRIDINE, COMPOSITION PESTICIDE ET PROCÉDÉ DE LUTTE CONTRE LES NUISIBLES
申请人:SUMITOMO CHEMICAL CO
公开号:WO2009066786A1
公开(公告)日:2009-05-28
A pyridine compound represented by the following general formula (1); the pyridine compound in which R1 is a C1-C3 fluoroalkyl group or a C1-C3 fluoroalkoxy group; the pyridine compound in which R2 is a hydrogen atom; the pyridine compound in which R2 is a group represented by Q1; a pesticidal composition containing the pyridine compound as an active ingredient; and a method of controlling a pest including applying an effective amount of the pyridine compound to the pest or a place where the pest inhabits, are provided.
Catalytic Enantioselective Synthesis of Heterocyclic Vicinal Fluoroamines by Using Asymmetric Protonation: Method Development and Mechanistic Study
作者:Matthew W. Ashford、Chao Xu、John J. Molloy、Cameron Carpenter‐Warren、Alexandra M. Z. Slawin、Andrew G. Leach、Allan J. B. Watson
DOI:10.1002/chem.202002543
日期:2020.9.21
A catalytic enantioselective synthesis of heterocyclic vicinal fluoroamines is reported. A chiral Brønsted acid promotes aza‐Michael addition to fluoroalkenyl heterocycles to give a prochiral enamine intermediate that undergoes asymmetric protonation upon rearomatization. The reaction accommodates a range of azaheterocycles and nucleophiles, generating the C−F stereocentre in high enantioselectivity
报道了杂环邻位氟胺的催化对映选择性合成。手性布朗斯台德酸促进氮杂-迈克尔加成到氟链烯基杂环上,从而得到手性烯胺中间体,该中间体在重新芳构化后经历不对称的质子化。该反应可容纳一定范围的氮杂杂环和亲核试剂,以高对映选择性生成C-F立体中心,并且还适合立体C-CF 3债券。大量的DFT计算为速率控制步骤中质子从催化剂到底物的立体控制转移提供了证据,并表明了催化剂烷基的空间相互作用在增强高对映选择性中的重要性。晶体结构数据显示了核心结构构象中非共价相互作用的优势,从而能够调节构象态势。Ramachandran类型的构象异构体分布分析和Protein Data Bank挖掘表明,这种方法的苄基氟化有可能提高几种市售药物的效力。
Copper-Catalyzed Cross-Coupling of Vinyliodonium Salts and Zinc-Based Silicon Nucleophiles
作者:Liangliang Zhang、Martin Oestreich
DOI:10.1021/acs.orglett.8b03714
日期:2018.12.21
A silylation of vinyliodonium salts using zinc-based silicon reagents as nucleophiles is reported. This cross-coupling is catalyzed by copper, and vinylsilanes are obtained in high yield likely following a Cu(I)/Cu(III) reaction mechanism. The procedure is operationally simple, neither air- nor moisture-sensitive, and tolerant of a range of functional groups. The new method is an addition to the still
The invention relates to novel compounds for use as inhibitors of NLRP3 inflammasone production, wherein such compounds are as defined by compounds of formula (I) and wherein the integers R1, R2 and R3 are defined in the description, and where the compounds may be useful as medicaments, for instance for use in the treatment of a disease or disorder that is associated with NLRP3 inflammasome activity.