Quinone‐catalyzed selective oxidation of organic molecules

AE Wendlandt, SS Stahl - Angewandte Chemie International …, 2015 - Wiley Online Library
Quinones are common stoichiometric reagents in organic chemistry. Para‐quinones with
high reduction potentials, such as DDQ and chloranil, are widely used and typically promote …

Transition metal based catalysts in the aerobic oxidation of alcohols

C Parmeggiani, F Cardona - Green Chemistry, 2012 - pubs.rsc.org
The oxidation of alcohols to the corresponding carbonyl compounds is a pivotal reaction in
organic synthesis. However, traditional oxidants are often toxic and release considerable …

Oxidative cleavage of C–C bonds in lignin

E Subbotina, T Rukkijakan, MD Marquez-Medina… - Nature Chemistry, 2021 - nature.com
Lignin is an aromatic polymer that constitutes up to 30 wt% of woody biomass and is
considered the largest source of renewable aromatics. Valorization of the lignin stream is …

Concurrent tandem catalysis

JC Wasilke, SJ Obrey, RT Baker, GC Bazan - Chemical reviews, 2005 - ACS Publications
The replacement of multistep, salt-generating chemical synthesis with efficient catalyzed
reactions that strive for atom economy1 is having a significant impact on the manufacture of …

Mechanistic aspects of transition metal-catalyzed hydrogen transfer reactions

JSM Samec, JE Bäckvall, PG Andersson… - Chemical Society …, 2006 - pubs.rsc.org
In this tutorial review recent mechanistic studies on transition metal-catalyzed hydrogen
transfer reactions are discussed. A common feature of these reactions is that they involve …

Catalytic oxidation of organic substrates by molecular oxygen and hydrogen peroxide by multistep electron transfer—a biomimetic approach

J Piera, JE Bäckvall - Angewandte Chemie International …, 2008 - Wiley Online Library
Oxidation reactions are of fundamental importance in nature, and are key transformations in
organic synthesis. The development of new processes that employ transition metals as …

Dehydrogenative oxidation of alcohols in aqueous media using water-soluble and reusable Cp* Ir catalysts bearing a functional bipyridine ligand

R Kawahara, K Fujita, R Yamaguchi - Journal of the American …, 2012 - ACS Publications
A new catalytic system for the dehydrogenative oxidation of alcohols using a water-soluble
Cp* Ir complex bearing a bipyridine-based functional ligand as catalyst has been …

Prevention of undesirable isomerization during olefin metathesis

SH Hong, DP Sanders, CW Lee… - Journal of the American …, 2005 - ACS Publications
1, 4-Benzoquinones have been found to prevent olefin isomerization of a number of allylic
ethers and long-chain aliphatic alkenes during ruthenium-catalyzed olefin metathesis …

Discovery, applications, and catalytic mechanisms of Shvo's catalyst

BL Conley, MK Pennington-Boggio, E Boz… - Chemical …, 2010 - ACS Publications
Shvo's catalyst is a cyclopentadienone-ligated ruthenium complex,{[Ph4 (η5-C4CO)] 2H]}
Ru2 (CO) 4 (µ-H)(1, Scheme 1), that is a generally useful catalyst for transfer hydrogenation …

Transition-metal-free: A highly efficient catalytic aerobic alcohol oxidation process

R Liu, X Liang, C Dong, X Hu - Journal of the American Chemical …, 2004 - ACS Publications
A highly efficient catalytic system without transition metals has been developed for aerobic
alcohol oxidations. Under the optimal reaction conditions, various alcohol substrates were …