AMINO-5-[4-(DIFLUOROMETHOXY)PHENYL]-5-PHENYLIMIDAZOLONE COMPOUNDS FOR THE INHIBITION OF BETA-SECRETASE
申请人:Malamas Michael Sotirios
公开号:US20090048320A1
公开(公告)日:2009-02-19
The present invention provides compounds and methods for the use thereof to inhibit β-secretase (BACE) and treat β-amyloid deposits and neurofibrillary tangles.
作者:Chetan C. Chintawar、Amit K. Yadav、Nitin T. Patil
DOI:10.1002/anie.202002141
日期:2020.7.13
Herein, we disclose the gold‐catalyzed 1,2‐diarylation of alkenes through the interplay of ligand‐enabled AuI/AuIII catalysis with the idiosyncratic π‐activation mode of gold complexes. Unlike the classical migratory‐insertion‐based approach to 1,2‐diarylation, the present approach not only circumvents the formation of direct Ar−Ar′ coupling and Heck‐type side products but more intriguingly demonstrates
本文中,我们通过配体使能的Au I / Au III催化与金配合物的特质π活化模式的相互作用揭示了金的烯烃1,2-二芳基化反应。与经典的基于迁移插入的方法进行1,2-二芳基化不同,本方法不仅规避了直接Ar-Ar'偶联和Heck型副产物的形成,而且更有趣地证明了其反应性和选择性与先前已知的互补金属催化(Pd,Ni或Cu)。对机理进行详细研究的结果表明,由于芳基烯烃具有非清白的性质,芳基碘化物向Au I络合物的氧化加成是限速步骤。
Amino-5-[4-(difluoromethoxy)phenyl]-5-phenylimidazolone Compounds For The Inhibition Of Beta-secretase
申请人:Malamas Michael Sotirios
公开号:US20100168194A1
公开(公告)日:2010-07-01
The present invention provides compounds and methods for the use thereof to inhibit β-secretase (BACE) and treat β-amyloid deposits and neurofibrillary tangles.
report the gold-catalyzed aryl-alkenylation of unactivated alkenes with alkenyl iodides and bromides employing ligand-enabled gold redox catalysis. The present methodology followed the π-activation pathway rather than the migratory insertion pathway, which is predominant in other transition metal catalysis such as Pd, Ni, Cu, etc. Detailed mechanistic investigations such as 31P NMR, deuterium labeling, and
在此,我们报道了金催化的未活化烯烃与烯基碘化物和溴化物的芳基烯基化反应,采用配体启用的金氧化还原催化。目前的方法遵循 π 激活途径,而不是迁移插入途径,迁移插入途径在 Pd、Ni、Cu 等其他过渡金属催化中占主导地位。详细的机理研究,如 31 P NMR、氘标记和 HRMS研究已经已经进行以支持机械见解。