Ligand- and Base-Free Pd(II)-Catalyzed Controlled Switching between Oxidative Heck and Conjugate Addition Reactions
作者:Sarah E. Walker、Julian Boehnke、Pauline E. Glen、Steven Levey、Lisa Patrick、James A. Jordan-Hore、Ai-Lan Lee
DOI:10.1021/ol400539h
日期:2013.4.19
solvent allows controlled and efficient switching between oxidative Heck and conjugateadditionreactions on cyclic Michael acceptor substrates, catalyzed by a cationic Pd(II) catalyst system. Both reactions are ligand- and base-free and tolerant of air and moisture, and the controlled switching sheds light on some of the factors which favor one reaction over the other.
[EN] SUBSTITUTED PHENOXYMETHYL DIHYDRO OXAZOLOPYRIMIDINONES, PREPARATION AND USE THEREOF<br/>[FR] PHÉNOXYMÉTHYL-DIHYDRO-OXAZOLOPYRIMIDINONES SUBSTITUÉES, LEUR PRÉPARATION ET LEUR UTILISATION
申请人:SANOFI AVENTIS
公开号:WO2011034832A1
公开(公告)日:2011-03-24
The present invention relates to a series of substituted phenoxymethyl dihydro oxazolopyrimidinones of formula (I) defined herein. This invention also relates to methods of making these compounds including novel intermediates. The compounds of this invention are modulators of metabotropic glutamate receptors (mGluR), particularly, mGluR2 receptor. Therefore, the compounds of this invention are useful as pharmaceutical agents, especially in the treatment and/or prevention of a variety of central nervous system disorders (CNS), including but not limited to acute and chronic neurodegenerative conditions, psychoses, cognition deficit disorders, convulsions, anxiety, depression, migraine, pain, sleep disorders and emesis.
Understanding and Controlling the Mizoroki–Heck Reaction of Cyclic Enones
作者:Aishabibi Kassymbek、Francisco José Aguilar Troyano、Victoria Dimakos、Daniel P. Canterbury、Sebastien Monfette、Philipp C. Roosen、Stephen G. Newman
DOI:10.1021/acscatal.4c00854
日期:2024.6.7
Pd-catalyzed Mizoroki–Heckreactions using cyclohexenone and related cyclic enones are surprisingly difficult, contrasting related reactions with acyclic-conjugated alkenes. In this report, we uncover several challenges associated with the reaction, including the decomposition of the starting materials and products during the reaction. Kinetic analysis, reaction optimization, and stoichiometric studies