Aerobic copper-catalyzed organic reactions

SE Allen, RR Walvoord, R Padilla-Salinas… - Chemical …, 2013 - ACS Publications
The chemistry of copper is extremely rich because it can easily access Cu0, CuI, CuII, and
CuIII oxidation states allowing it to act through one-electron or two-electron processes. As a …

Practical aerobic oxidations of alcohols and amines with homogeneous copper/TEMPO and related catalyst systems

BL Ryland, SS Stahl - Angewandte Chemie International …, 2014 - Wiley Online Library
Oxidations of alcohols and amines are common reactions in the synthesis of organic
molecules in the laboratory and industry. Aerobic oxidation methods have long been sought …

Mechanism of copper (I)/TEMPO-catalyzed aerobic alcohol oxidation

JM Hoover, BL Ryland, SS Stahl - Journal of the American …, 2013 - ACS Publications
Homogeneous Cu/TEMPO catalyst systems (TEMPO= 2, 2, 6, 6-tetramethylpiperidine-N-
oxyl) have emerged as some of the most versatile and practical catalysts for aerobic alcohol …

Aerobic oxidation catalysis with stable radicals

Q Cao, LM Dornan, L Rogan, NL Hughes… - Chemical …, 2014 - pubs.rsc.org
Selective oxidation reactions are challenging when carried out on an industrial scale. Many
traditional methods are undesirable from an environmental or safety point of view. There is a …

TEMPO in chemical transformations: from homogeneous to heterogeneous

HA Beejapur, Q Zhang, K Hu, L Zhu, J Wang… - ACS Catalysis, 2019 - ACS Publications
The organic nitroxyl radical, TEMPO (2, 2, 6, 6-tetramethylpiperidine-N-oxyl), finds a variety
of industrial applications for chemical transformations. Because of economic and …

Cu-catalyzed sequential dehydrogenation–conjugate addition for β-functionalization of saturated ketones: scope and mechanism

X Jie, Y Shang, X Zhang, W Su - Journal of the American …, 2016 - ACS Publications
The first copper-catalyzed direct β-functionalization of saturated ketones is reported. This
protocol enables diverse ketones to couple with a wide range of nitrogen, oxygen and …

Practical synthesis of amides via copper/ABNO-catalyzed aerobic oxidative coupling of alcohols and amines

SL Zultanski, J Zhao, SS Stahl - Journal of the American Chemical …, 2016 - ACS Publications
A modular Cu/ABNO catalyst system has been identified that enables efficient aerobic
oxidative coupling of alcohols and amines to amides. All four permutations of …

Catalytic aerobic dehydrogenation of nitrogen heterocycles using heterogeneous cobalt oxide supported on nitrogen-doped carbon

AV Iosub, SS Stahl - Organic letters, 2015 - ACS Publications
Dehydrogenation of (partially) saturated heterocycles provides an important route to
heteroaromatic compounds. A heterogeneous cobalt oxide catalyst, previously employed for …

Highly chemoselective aerobic oxidation of amino alcohols into amino carbonyl compounds

Y Sasano, S Nagasawa, M Yamazaki… - Angewandte Chemie …, 2014 - Wiley Online Library
The direct oxidation of unprotected amino alcohols to their corresponding amino carbonyl
compounds has often posed serious challenges in organic synthesis and has constrained …

New Iridium Catalysts for the Selective Alkylation of Amines by Alcohols under Mild Conditions and for the Synthesis of Quinolines by Acceptor‐less Dehydrogenative …

S Ruch, T Irrgang, R Kempe - Chemistry–A European Journal, 2014 - Wiley Online Library
A novel family of iridium catalysts stabilised by P, N‐ligands have been introduced. The
ligands are based on imidazo [1, 5‐b] pyridazin‐7‐amines and can be synthesised with a …