[EN] (3-HYDROXY-4-AMINO-BUTAN-2-YL) -3- (2-THIAZOL-2-YL-PYRROLIDINE-1-CARBONYL) BENZAMIDE DERIVATIVES AND RELATED COMPOUNDS AS BETA-SECRETASE INHIBITORS FOR TREATING [FR] DÉRIVÉS DE (3-HYDROXY-4-AMINO-BUTAN-2-YL) -3- (2-THIAZOL-2-YL-PYRROLIDINE-1-CARBONYL) BENZAMIDE ET COMPOSÉS ASSOCIÉS UTILISÉS EN TANT QU'INHIBITEURS DE LA BÊTA-SÉCRÉTASE POUR LE TRAITEMENT
Copper-Mediated Perfluoroalkylation of Heteroaryl Bromides with (phen)CuR<sub>F</sub>
作者:Michael G. Mormino、Patrick S. Fier、John F. Hartwig
DOI:10.1021/ol500422t
日期:2014.3.21
synthetic goal over the past several decades. Previously, our group reported phenanthroline-ligated perfluoroalkyl copperreagents, (phen)CuRF, which react with aryliodides and aryl boronates to form the corresponding benzotrifluorides. Herein the perfluoroalkylation of a series of heteroaryl bromides with (phen)CuCF3 and (phen)CuCF2CF3 is reported. The mild reaction conditions allow the process to tolerate
exhibited a linear relationship and a reaction parameter (ρ)=+0.56±0.02, which indicated that the trifluoromethylation reaction proceeded via a nucleophilic reactive species. Complex 2 reacts with phenols to produce aryl difluoromethyl ethers in modest‐to‐excellent yields. Mechanisticinvestigations revealed that the difluoromethylation reaction proceeds by initial copper‐mediated formation of difluorocarbene
[EN] HETEROAROMATIC COMPOUNDS AS VANIN INHIBITORS<br/>[FR] COMPOSÉS HÉTÉROAROMATIQUES UTILISÉS EN TANT QU'INHIBITEURS DE VANINE
申请人:BOEHRINGER INGELHEIM INT
公开号:WO2020114947A1
公开(公告)日:2020-06-11
The present invention encompasses compounds of the formula (I), which are suitable for the treatment of diseases related to Vanin, and processes for making these compounds, pharmaceutical preparations containing these compounds, and their methods of use.
Metallaphotoredox Perfluoroalkylation of Organobromides
作者:Xiangbo Zhao、David W. C. MacMillan
DOI:10.1021/jacs.0c09977
日期:2020.11.18
Ruppert-Prakash type reagents (TMSCF3, TMSC2F5, and TMSC3F7) are readily available, air-stable, and easy-to-handle fluoroalkyl sources. Herein, we describe a mild, copper-catalyzed cross-coupling of these fluoroalkyl nucleophiles with aryl and alkyl bromides to produce a diverse array of trifluoromethyl, pentafluoroethyl, and heptafluoropropyl adducts. This light-mediated transformation proceeds via
A radical approach to the copper oxidative addition problem: Trifluoromethylation of bromoarenes
作者:Chip Le、Tiffany Q. Chen、Tao Liang、Patricia Zhang、David W. C. MacMillan
DOI:10.1126/science.aat4133
日期:2018.6
Arenes get a light boost onto copper Insertion of palladium into an aryl halide bond is the first step in numerous variants of cross-coupling chemistry used to make carbon-carbon bonds. Copper is an appealing alternative catalyst for such reactions because of its abundance and downstream reactivity profile. However, this preliminary step, termed oxidative addition, is often prohibitively slow for the