New Advances in Chemical Research, May 2021. The prevalence of solvent effects in heterogeneous catalysis in condensed media has motivated developing theoretical assessments of solvent structures and their interactions with reaction intermediates. COA of Formula: C9H6N2O, We’ll be discussing some of the latest developments in chemical about CAS: 130345-50-5, name is Quinoxaline-6-carbaldehyde. In an article，Which mentioned a new discovery about 130345-50-5
Controlling site selectivity of C-H activation without using a directing group remains a significant challenge. While Pd(II) catalysts modulated by a mutually repulsive pyridine-type ligand have been shown to favor the relatively electron-rich carbon centers of arenes, reversing the selectivity to favor palladation at the relatively electron-deficient positions has not been possible. Herein we report the first catalytic system that effectively performs meta C-H arylation of a variety of alkoxy aromatics including 2,3-dihydrobenzofuran and chromane with exclusive meta site selectivity, thus reversing the conventional site selectivity governed by native electronic effects. The identification of an effective ligand and modified norbornene (NBE-CO2Me), as well as taking advantage of the statistics, are essential for achieving the exclusive meta selectivity.
Sometimes chemists are able to propose two or more mechanisms that are consistent with the available data. COA of Formula: C9H6N2O, If a proposed mechanism predicts the wrong experimental rate law, however, the mechanism must be incorrect.Welcome to check out more blogs about 130345-50-5, in my other articles.
Reference：
Quinoxaline – Wikipedia,
Quinoxaline | C8H6N225 | ChemSpider