Synthesis and Antibacterial Activity of Sulfonamide Derivatives of Anacardicacid Mixture Isolated from a Natural Product Cashew Nut Shell Liquid (CNSL)
Synthesis and antibacterial activity of some novel sulfonamide derivatives of anacardic acid were (8a-8l) prepared from commercially available anacardic acid mixture (1a–d) isolated from a natural product Cashew Nut Shell Liquid (CNSL).Compounds (8a-8l) were tested for Gram positive and Gram negative bacterial cultures. Most of the compounds were showed active compared with standard drug ampicilline.
Visible-Light-Mediated Regioselective Chlorosulfonylation of Alkenes and Alkynes: Introducing the Cu(II) Complex [Cu(dap)Cl<sub>2</sub>] to Photochemical ATRA Reactions
photocatalyzed protocol utilizing copper–phenanthroline-based catalysts has been developed that can convert a large number of olefins into their chlorosulfonylated products. Besides the Cu(I) complex [Cu(dap)2]Cl, now well-established in photo-ATRA processes, the corresponding Cu(II) complex [Cu(dap)Cl2] proved to be often even more efficient in the title reaction, being advantageous from an economic point of view
已经开发出一种利用铜-菲咯啉基催化剂的可见光介导的光催化方案,该方案可以将大量烯烃转化为其氯磺酰化产物。除了现在在光ATRA工艺中已经确立的Cu(I)络合物[Cu(dap)2 ] Cl之外,相应的Cu(II)络合物[Cu(dap)Cl 2 ]常常在光催化ATRA工艺中更有效。标题反应,从经济角度来看是有利的,但也为光氧化还原催化开辟了新途径。此外,由于它们通过内球机理稳定或与瞬态自由基相互作用的能力,铜配合物的性能优于常用的钌,铱或有机染料基光催化剂。化学计量的Na 2 CO 3的使用与不需要添加剂的活性烯烃相反,发现与铜光催化剂组合使用对将未活性烯烃转化为所需产物是必不可少的。如适当的对照实验所建议的,Na 2 CO 3的作用归因于防止催化剂中毒。
[EN] KCNT1 INHIBITORS AND METHODS OF USE<br/>[FR] INHIBITEURS DE KCNT1 ET PROCÉDÉS D'UTILISATION
申请人:PRAXIS PREC MEDICINES INC
公开号:WO2020227097A1
公开(公告)日:2020-11-12
The present invention is directed to, in part, compounds and compositions useful for preventing and/or treating a neurological disease or disorder, a disease or condition relating to excessive neuronal excitability, and/or a gain-of-function mutation in a gene (e.g., KCNT1). Methods of treating a neurological disease or disorder, a disease or condition relating to excessive neuronal excitability, and/or a gain-of-function mutation in a gene such as KCNT1 are also provided herein.
Biphenylsulfonamides and derivatives thereof that modulate the activity of endothelin
申请人:——
公开号:US20020095041A1
公开(公告)日:2002-07-18
Biphenylsulfonamides and methods for modulating or altering the activity of the endothelin family of peptides are provided. In particular, bicyclic or tricyclic carbon or heterocyclic ring biphenylsulfonamides and methods using these sulfonamides for inhibiting the binding of an endothelin peptide to an endothelin receptor by contacting the receptor with the sulfonamide are provided. Methods for treating endothelin-mediated disorders by administering effective amounts of one or more of these sulfonamides or prodrugs thereof that inhibit or increase the activity of endothelin are also provided.
[EN] PIPERAZINE DERIVATIVES USEFUL FOR THE TREATMENT OF GASTROINTESTINAL DISORDERS<br/>[FR] DERIVES DE PIPERAZINE CONVENANT POUR LE TRAITEMENT DE TROUBLES GASTRO-INTESTINAUX
申请人:GLAXO GROUP LTD
公开号:WO2006010629A1
公开(公告)日:2006-02-02
The invention provides compounds of formula (I) or pharmaceutically acceptable salts thereof, wherein Ra, Rb, Rc, Rd, Re, Rf and Y are as defined in the specification. The compounds are partial or full agonists at the growth hormone secretagogue (GHS) receptors . Pharmaceutical compositions comprising the compounds, methods of preparing the compounds, uses of the compounds and methods involving the compounds are also provided.