activity. An easy and highly efficient approach to sulfur-containing compounds, by S–H insertion reactions of α-keto esters with thiols, is reported. The substrate scope was remarkably wide, affording the corresponding products in up to 97% yield. Overall, the raw materials were readily available and the reaction conditions were mild in this synthetic method.
A stable Copper-Modified silica microsphere catalyst for the synthesis of N-substituted carbazoles and organosilanes
作者:Haodong Xie、Qian Ma、Yuzhi Wang、Yiming Sun、Jonathan B. Baell、Fei Huang、Yang Yu
DOI:10.1016/j.jcat.2024.115294
日期:2024.1
various transformations and are applied broadly in the synthesis of complex molecules and drug. Typically, such transformations require expensive metal and complex ligands, leading to a vigorous reaction system and trace metal residues. Herein, we report copper-modified silica microspheres (SM-b) as heterogeneous catalyst in the insertionreaction of diazo compounds with carbazole and silanes. Under
[EN] The present invention provides a method of treatment or prophylaxis of a viral infection in a subject comprising administering to said subject an effective amount of a compound of formula (I) or a pharmaceutically acceptable derivative, salt or prodrug thereof. Compounds of formula (I) are also provided. [FR] La présente invention concerne un procédé de traitement ou de prophylaxie d'une infection virale chez un sujet, comprenant l'administration audit sujet d'une quantité efficace d'un composé de formule (I) ou d'un dérivé, sel ou pro-médicament pharmaceutiquement acceptable de celui-ci. L'invention concerne également des composés de formule (I).
Antitrichomonal activity of mesoionic thiazolo[3,2-a]pyridines
作者:Keith A. M. Walker、Eric B. Sjogren、Thomas R. Matthews
DOI:10.1021/jm00149a023
日期:1985.11
Screening of mesoioniccompounds as potential electron acceptors by analogy with metronidazole led to the finding of in vitro antitrichomonal activity for anhydro-2-phenyl-3-hydroxythiazolo [3,2-a]pyridinium hydroxide (1). In a series of analogues, potent in vitro activity was found to be associated with amino substitution; however, such activity was dependent on specific structural features and not