[EN] HETEROCYCLIC INHIBITORS OF PCSK9<br/>[FR] INHIBITEURS HÉTÉROCYCLIQUES DE PCSK9
申请人:CARDIO THERAPEUTICS PTY LTD
公开号:WO2018165718A1
公开(公告)日:2018-09-20
This application relates to chemical compounds which may act as inhibitors of, or which may otherwise modulate the activity of, PCSK9, or a pharmaceutically acceptable salt, solvate, prodrug or polymorph thereof, and to compositions and formulations comprising such compounds, and methods of using and making such compounds. Compounds include compounds of Formula (I): (I) wherein A, D and Q are described herein.
The present invention provides imidazopyridine compounds, compositions containing the same, as well as processes for the preparation and methods for their use as pharmaceutical agents.
Direct and Chemoselective Synthesis of Tertiary Difluoroketones via Weinreb Amide Homologation with a CHF<sub>2</sub>-Carbene Equivalent
作者:Margherita Miele、Andrea Citarella、Nicola Micale、Wolfgang Holzer、Vittorio Pace
DOI:10.1021/acs.orglett.9b03024
日期:2019.10.18
Weinreb amides into difluoromethylketones with a formal nucleophilic CHF2 transfer agent is reported. Activating TMSCHF2 with potassium tert-amylate enables a convenient access to the difluorinated homologation reagent, which adds to the acylating partners. The high chemoselectivity showcased in the presence of variously multifunctionalized Weinreb amides, jointly with uniformly high yields, enables the
Synthesis of biaryl ketones by arylation of Weinreb amides with functionalized Grignard reagents under thermodynamic control <i>vs.</i> kinetic control of <i>N</i>,<i>N</i>-Boc<sub>2</sub>-amides
作者:Guangchen Li、Michal Szostak
DOI:10.1039/d0ob00813c
日期:——
A highlyefficient method for chemoselective synthesis of biaryl ketones by arylation of Weinreb amides (N-methoxy-N-methylamides) with functionalized Grignard reagents is reported. This protocol offers rapid entry to functionalized biaryl ketones after Mg/halide exchange with i-PrMgCl·LiCl under operationally-simple and practical reaction conditions. The scope of the method is highlighted in >40 examples
The external quenching method based on flowmicroreactors allows the generation and use of short‐lived fluoro‐substituted methyllithium reagents, such as fluoromethyllithium, fluoroiodomethyllithium, and fluoroiodostannylmethyllithium. Highly chemoselective reactions have been developed, opening new opportunities in the synthesis of fluorinated molecules using fluorinated organometallics.