Results 101 to 110 of about 367,010 (217)

The Manganese-Catalyzed Cross-Coupling Reaction [PDF]

open access: yes, 2017
Herein it is presented the MnCl2-catalyzed cross-coupling reaction between aryl halides and Grignard reagents. Aryl chlorides containing a cyano or an ester group in the para or ortho position react smoothly and in good yield.
Antonacci, Giuseppe
core  

Learning reaction-transport coupling from thermal waves

open access: yesNature Communications
Although thermal waves are ubiquitous in nature and engineering, the development of diagnostic tools capable of elucidating the roles of reaction and transport remains an unmet need.
Suyong Kim, Sili Deng
doaj   +1 more source

Oxidative-Coupling-Assisted Methane Aromatization: A Simulation Study

open access: yes, 2019
This study simulates a high-temperature reaction in a plug-flow reactor (PFR) for the aromatization of methane via oxidative coupling of methane (OCM) using a state-of-the-art gas-phase chemical kinetic mechanism. Benzene is formed from a methane–oxygen (
Tatsuya Shinagawa (1410598)   +11 more
core   +1 more source

Developing Biarylhemiboronic Esters for Biaryl Atropisomer Synthesis via Dynamic Kinetic Atroposelective Suzuki–Miyaura Cross-Coupling

open access: yes
We herein introduce biarylhemiboronic esters as a new type of bridged biaryl reagent for asymmetric synthesis of axially chiral biaryl structures, and the palladium-catalyzed asymmetric Suzuki–Miyaura cross-coupling of biarylhemiboronic esters is ...
Junhao Xing (5179799)   +3 more
core   +1 more source

Electric-field-assisted proton coupling enhanced oxygen evolution reaction

open access: yesNature Communications
The discovery of Mn-Ca complex in photosystem II stimulates research of manganese-based catalysts for oxygen evolution reaction (OER). However, conventional chemical strategies face challenges in regulating the four electron-proton processes of OER ...
Xuelei Pan   +15 more
doaj   +1 more source

Congener specific analysis of polychlorinated terphenyls [PDF]

open access: yes, 2010
In order to identify and to quantify polychlorinated terphenyls (PCT) in environmental matrices, the chro- matographic behavior of coplanar and non-coplanar congeners was evaluated.
Wichmann, H.   +4 more
core  

DIHYDRODIPYRIDOPYRAZINES: SYNTHESIS AND FUNCTIONALIZATION

open access: yesScientific Study & Research: Chemistry & Chemical Engineering, Biotechnology, Food Industry, 2010
Different conceptual synthetic approaches to the elaboration of a new family of planar polynuclear nitrogen containing aromatic heterocycles – the dihydrodipyridopyrazines – are reviewed: the arynic reaction, the sequence palladium coupling reaction ...
Gérald Guillaumet   +4 more
doaj  

The functionalisation of wool by tris(hydroxymethyl)phosphine for metal ion recovery

open access: yes, 2009
Tris(hydroxymethyl)phosphine (THP) was prepared by the addition of a stoichiometric amount of base to tetrakis(hydroxymethyl)phosphonium chloride (THPC).
Addison, Simon James
core  

Ga-Based Liquid Metal Catalyst for Mechano-Assisted Carbon-Carbon Coupling Reaction. [PDF]

open access: yesResearch (Wash D C)
Yang P   +7 more
europepmc   +1 more source

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