Transformation of arenes into 3-arylpyrazoles and 3-arylisoxazolines with β-bromopropionyl chloride, hydrazine, and hydroxylamine
摘要:
Successive treatment of arenes with beta-bromopropionyl chloride and AlCl3, followed by the reactions with hydrazines and Na2CO3, and then with MnO2 gave the corresponding 3-arylpyrazoles in one pot in good to moderate yields. The same successive treatment of arenes with beta-bromopropionyl chloride and AlCl3, followed by the reactions with hydroxylamine and KF gave the corresponding 3-arylisoxazolines in one pot in good to moderate yields. (C) 2020 Elsevier Science. All rights reserved.
Cobalt-Catalyzed Defluorosilylation of Aryl Fluorides via Grignard Reagent Formation
作者:Soobin Lim、Hyungdo Cho、Jongheon Jeong、Minjae Jang、Hyunseok Kim、Seung Hwan Cho、Eunsung Lee
DOI:10.1021/acs.orglett.0c02752
日期:2020.9.18
cheap electrophilic silicon source with magnesium. This method is compatible with various silicon sources and can be operated under aerobic conditions. Mechanistic studies support the in situ formation of a Grignard reagent, which is captured by the electrophilic silicon source.
Decarboxylative Borylation and Cross-Coupling of (Hetero)aryl Acids Enabled by Copper Charge Transfer Catalysis
作者:Nathan W. Dow、P. Scott Pedersen、Tiffany Q. Chen、David C. Blakemore、Anne-Marie Dechert-Schmitt、Thomas Knauber、David W. C. MacMillan
DOI:10.1021/jacs.2c01630
日期:2022.4.13
We report a copper-catalyzed strategy for arylboronic ester synthesis that exploits photoinduced ligand-to-metal charge transfer (LMCT) to convert (hetero)aryl acids into aryl radicals amenable to ambient-temperature borylation. This near-UV process occurs under mild conditions, requires no prefunctionalization of the native acid, and operates broadly across diverse aryl, heteroaryl, and pharmaceutical
[EN] NOVEL INHIBITORS OF PIKFYVE AND METHODS USING SAME<br/>[FR] NOUVEAUX INHIBITEURS DE LA PIKFYVE ET LEURS MÉTHODES D'UTILISATION
申请人:TME THERAPEUTICS LLC
公开号:WO2022086993A1
公开(公告)日:2022-04-28
The invention relates to novel inhibitors of the PIKFYVE, a phosphoinositide kinase, useful for the treatment of diseases or disorders characterized by dysregulation of phosphoinositide mediated signal transduction pathways, including hyperproliferative diseases, autoimmune diseases, Crohn's disease, psoriasis, neurological diseases, diabetes, corneal fleck dystrophy, and viral infection (including HIV, Ebola, and coronavirus infections). The invention further relates to pharmaceutical compositions comprising PIKFYVE inhibitors and methods of treatment of such diseases and disorders.