Synthesis and Antiprotozoal Activity of Dicationic <i>m</i>-Terphenyl and 1,3-Dipyridylbenzene Derivatives
作者:Donald A. Patrick、Mohamed A. Ismail、Reem K. Arafa、Tanja Wenzler、Xiaohua Zhu、Trupti Pandharkar、Susan Kilgore Jones、Karl A. Werbovetz、Reto Brun、David W. Boykin、Richard R. Tidwell
DOI:10.1021/jm400508e
日期:2013.7.11
Bis-pyridylimidamide derivative 31 was 25 times more potent than benznidazole against T. cruzi and slightly more potent than amphotericin B against L. amazonensis. Terphenyldiamidine 1 and dipyridylbenzene analogues 23 and 25 each cured 4/4 mice infected with T. b. rhodesiense STIB900 with four daily 5 mg/kg intraperitoneal doses, as well as with single doses of ≤10 mg/kg. Derivatives 5 and 28 (prodrugs
Site-Selective Nitration of Aryl Germanes at Room Temperature
作者:Amit Dahiya、Avetik G. Gevondian、Aymane Selmani、Franziska Schoenebeck
DOI:10.1021/acs.orglett.3c02822
日期:2023.10.6
We report a site-selective ipso-nitration of aryl germanes in the presence of boronic esters, silanes, halogens, and additional functionalities. The protocol is characterized by operational simplicity, proceeds at roomtemperature, and is enabled by [Ru(bpy)3](PF6)2/blue light photocatalysis. Owing to the exquisite robustness of the [Ge] functionality, nitrations of alternative functional handles in