A Cu-catalysed synthesis of substituted 3-methyleneisoindolin-1-one
作者:Anupal Gogoi、Srimanta Guin、Saroj K. Rout、Ganesh Majji、Bhisma K. Patel
DOI:10.1039/c4ra12782j
日期:——
A Cu-catalysed synthesis of substituted isoindolin-1-one has been achieved via a decarboxylative alkynylation–heteroannulation path.
通过脱羧炔基化-杂环化途径,已经实现了一种取代异吲哚啉-1-酮的Cu催化合成。
Synthesis and antibacterial activity of 5-methylphenanthridium derivatives as FtsZ inhibitors
作者:Fang Liu、Henrietta Venter、Fangchao Bi、Susan J. Semple、Jingru Liu、Chaobin Jin、Shutao Ma
DOI:10.1016/j.bmcl.2017.06.005
日期:2017.8
5-Methylphenanthridium derivatives were designed, synthesized and evaluated for their in vitro antibacterialactivity and cell division inhibitory activity against various Gram-positive and -negative bacteria. Among them, compounds 5A2, 5B1, 5B2, 5B3, 5C1 and 5C2 displayed the best on-target antibacterialactivity with an MIC value of 4 µg/mL against B. subtilis ATCC9372 and S. pyogenes PS, showing
Organocatalyst in Direct C(<sub>sp</sub><sup>2</sup>)–H Arylation of Unactivated Arenes: [1-(2-Hydroxyethyl)-piperazine]-Catalyzed <i>Inter</i>-/<i>Intra</i>-molecular C–H Bond Activation
作者:Lalit Yadav、Mohit K. Tiwari、Bharti Rajesh Kumar Shyamlal、Sandeep Chaudhary
DOI:10.1021/acs.joc.0c01019
日期:2020.6.19
promotes both inter- and intra-molecular direct C(sp2)–H arylations of unactivated arenes in the presence of potassium tert-butoxide. While the inter-molecular C–H arylation of unactivated benzenes with aryl halides (Ar–X; X = I, Br, Cl) toward biaryl syntheses underwent smoothly in the presence of only 10 mol % organocatalyst, the intra-molecular C–H arylation catalytic system composed of 40 mol % each
本文介绍的1-(2-羟乙基) -哌嗪的标识为一个新的,高性价比的,高效率的有机催化剂,其促进两者间-和内-分子直接C(SP 2)在未活化的芳烃的芳基化-H叔丁醇钾的存在。当未活化的苯与芳基卤化物(Ar–X; X = I,Br,Cl)朝联芳基合成的分子间C–H芳基化在仅有10 mol%有机催化剂存在下顺利进行,而分子内C–H芳基化催化体系,分别由40摩尔%的催化剂和添加剂(4-二甲基氨基吡啶(DMAP))组成。新型催化剂还能够同时在一个锅中同时进行分子间和分子内直接芳基化。机理研究证实了芳基自由基阴离子的参与,并通过单电子转移(SET)机制进行。较大的底物范围,较高的官能团耐受性,竞争实验,克级合成和动力学研究进一步凸显了该方法的重要性和通用性以及新催化剂的相容性。据我们所知,这是关于任何有机催化剂的第一份报告,该报告以单一形式详细报告了未活化芳烃的分子间和分子内直接C(sp 2)-H芳基化反应。
Direct Arylation under Catalysis of an Oxime-Derived Palladacycle: Search for a Phosphane-Free Method
for the direct arylation of benzothiazole by employing oxime-derived palladacycle 1 as a catalyst was developed. The new catalyst system can be used for 2-arylations by using aryl bromides and iodides. In addition, this method is especially suitable for the intramolecular direct coupling of bromo- and iodoamides, as well aschloroamides, to achieve a rapid synthesis of benzo[c]phenanthridine alkaloids
CHEMICAL MOLECULES THAT INHIBIT THE SLICING MECHANISM FOR TREATING DISEASES RESULTING FROM SPLICING ANOMALIES
申请人:Tazi Jamal
公开号:US20110053975A1
公开(公告)日:2011-03-03
The present invention relates to a compound of one of the formulas I to XXI; a pharmaceutical composition comprising at least one such compound; and the use of at least one such compound in preparing a drug to treat, in a subject, a genetic disease resulting from at least one splicing anomaly.