Synthesis and biological evaluation of 4,5-dihydro-1H-pyrazole derivatives as potential nNOS/iNOS selective inhibitors. Part 2: Influence of diverse substituents in both the phenyl moiety and the acyl group
摘要:
In a preliminary article, we reported a series of 4,5-dihydro-1H-pyrazole derivatives as neuronal nitric oxide synthase (nNOS) inhibitors. Here we present the data about the inhibition of inducible nitric oxide synthase (iNOS) of these compounds. In general, we can confirm that these pyrazoles are nNOS selective inhibitors. In addition, taking these compounds as a reference, we have designed and synthesized a series of new derivatives by modification of the heterocycle in 1-position, and by introduction of electrondonating or electron-withdrawing substituents in the aromatic ring. These derivatives have been evaluated as nNOS and iNOS inhibitors in order to identify new compounds with improved activity and selectivity. Compound 3r, with three methoxy electron-donating groups in the phenyl moiety, is the most potent nNOS inhibitor, showing good selectivity nNOS/iNOS. (C) 2013 Elsevier Ltd. All rights reserved.
N-PHENYL-1,1,1-TRIFLUOROMETHANESULFONAMIDE HYDRAZONE DERIVATIVE COMPOUNDS AND THEIR USAGE IN CONTROLLING PARASITES
申请人:Winzenberg Norman Kevin
公开号:US20070238700A1
公开(公告)日:2007-10-11
Novel N-phenyl-1,1,1-trifluoromethanesulfonamide compounds useful for controlling endo and/or ectoparasites in the environment are provided, together with methods of making the same, and methods of using the inventive compounds to treat parasite infestations in vivo and ex vivo.
Thiadiazoline- and Pyrazoline-Based Carboxamides and Carbothioamides: Synthesis and Inhibition against Nitric Oxide Synthase
作者:Fabio Arias、M. Encarnación Camacho、M. Dora Carrión、Meriem Chayah、Miguel Romero、Juan Duarte、Miguel A. Gallo
DOI:10.1155/2018/9242616
日期:——
novel derivatives were synthesized combining the arylthiadiazoline or arylpyrazoline skeleton and a carboxamide or carbothioamide moiety, used as starting material ethyl 2-nitrobenzoates or substituted nitrobenzaldehydes, respectively. The structure-activity relationships of final molecules are discussed in terms of the R1 radical effects in the aromatic ring, the Y atom in the heterocyclicsystem, the
已经开发了两个新的吡唑啉和噻二唑啉杂环家族。报道了它们对一氧化氮合酶的两种不同异构体(诱导型和神经元 NOS)的抑制活性。新的衍生物合成结合芳基噻二唑啉或芳基吡唑啉骨架和甲酰胺或硫代甲酰胺部分,分别用作起始原料 2-硝基苯甲酸乙酯或取代的硝基苯甲醛。最终分子的构效关系根据芳环中的 R1 自由基效应、杂环系统中的 Y 原子、主链中的 X 杂原子以及甲酰胺或硫代硫酰胺中的 R2 取代基进行讨论。一般来说,噻二唑啉 (5a-e) 优先抑制神经元同种型;其中,5a 是最好的 nNOS 抑制剂(1 mM 时为 74.11%,IC50 = 420 μM)。相比之下,吡唑啉 (6a-r) 作为 iNOS 的表现优于 nNOS 抑制剂,6m 是该系列中最好的分子(1 mM iNOS 抑制时为 76.86%,IC50 = 130 μM)并且是所有测试化合物中最有效的。
Long-term memory inducing agent
申请人:NATIONAL UNIVERSITY CORPORATION TOKYO MEDICAL AND DENTAL UNIVERSITY
公开号:US10266482B2
公开(公告)日:2019-04-23
[Problem] To provide a method for inducing a long-term memory in a subject in need thereof.
[Solution to problem] A method for inducing a long-term memory, comprising a step of administering a compound represented by Formula I below, a pharmaceutically acceptable salt thereof or a solvate thereof to the subject.
[问题]提供一种诱导有需要的受试者长期记忆的方法。
[解决问题] 一种诱导长时记忆的方法,包括向受试者施用下式 I 所代表的化合物、其药学上可接受的盐或其溶液的步骤。