Kinetic Resolution of <i>sec</i>
-Thiols by Enantioselective Oxidation with Rationally Engineered 5-(Hydroxymethyl)furfural Oxidase
作者:Mathias Pickl、Alexander Swoboda、Elvira Romero、Christoph K. Winkler、Claudia Binda、Andrea Mattevi、Kurt Faber、Marco W. Fraaije
DOI:10.1002/anie.201713189
日期:2018.3.5
Various flavoproteinoxidases were recently shown to oxidize primary thiols. Herein, this reactivity is extended to sec‐thiols by using structure‐guided engineering of 5‐(hydroxymethyl)furfural oxidase (HMFO). The variants obtained were employed for the oxidative kinetic resolution of racemic sec‐thiols, thus yielding the corresponding thioketones and nonreacted R‐configured thiols with excellent
[EN] BIARYL ACYL-SULFONAMIDE COMPOUNDS AS SODIUM CHANNEL INHIBITORS<br/>[FR] COMPOSÉS D'ACYLSULFONAMIDE DE BIARYLE EN TANT QU'INHIBITEURS DES CANAUX SODIQUES
申请人:AMGEN INC
公开号:WO2015051043A1
公开(公告)日:2015-04-09
The present invention provides compounds of Formula (Ia), and pharmaceutically acceptable salts thereof. The compounds are useful as inhibitors of voltage-gated sodium channels, in particular Nav 1.7. (Ia); as described in the specification. The compounds are useful for the treatment of diseases treatable by inhibition of sodium channels such as pain disorders. Also provided are pharmaceutical compositions containing compounds of the present invention, as well as intermediates and processes useful for making the compounds.
Chiral gold clusters stabilised by enantiopure thiolates were prepared, size-selected and characterised by circular dichroism and mass spectrometry. The product distribution is found to be ligand dependent. Au25 clusters protected with camphorthiol show clear resemblance of their chiroptical properties with their glutathionate analogue.
[EN] INHIBITORS OF PEPTIDYL ARGININE DEIMINASE (PAD) ENZYMES AND USES THEREOF<br/>[FR] INHIBITEURS D'ENZYMES PEPTIDYL ARGININE DÉSIMINASES (PAD) ET LEURS UTILISATIONS
申请人:UNIV HEALTH NETWORK
公开号:WO2017027967A1
公开(公告)日:2017-02-23
The present application relates to a-substituted amino acid compounds of the Formula (I), compositions comprising these compounds and their use, in particular for the treatment of diseases, disorders or conditions characterized by or associated with the hypercitrullination of proteins by peptidyl arginine deiminase (PAD) enzymes.
Synergistic organocatalysis in the kinetic resolution of secondary thiols with concomitant desymmetrization of an anhydride
作者:Aldo Peschiulli、Barbara Procuranti、Cornelius J. O' Connor、Stephen J. Connon
DOI:10.1038/nchem.584
日期:2010.5
Kineticresolution is an important method for the separation of racemates into their component enantiomers. Thiols are precursors to a variety of organosulfur compounds, with high utility in both chemistry and chemical biology, yet there is a surprising dearth of methodologies for their direct and efficient catalytic kineticresolution. Here, we demonstrate an organocatalytic process involving the
动力学拆分是将外消旋物分离为其组分对映体的重要方法。硫醇是多种有机硫化合物的前体,在化学和化学生物学中具有很高的实用性,但令人惊讶的是,它们缺乏直接有效的催化动力学拆分方法。在这里,我们展示了一种有机催化过程,该过程涉及非手性亲电试剂的高度对映选择性去对称化,同时外消旋硫醇的动力学分辨率。该方法的制备潜力通过以优异的收率和对映选择性合成药物前体对映体作为一个过程的副产品来举例说明,该过程还以S的选择性解析仲硫醇底物 = 226(即,在 51% 转化率下以 >95% ee产生的两种硫醇对映体)。在第二个实施例中,在温和条件下以合成有用的选择性拆分代表抗哮喘药物 ( R )-孟鲁司特的含有立体中心的核心的外消旋仲硫醇。