Ruthenium‐catalyzed aerobic oxidation of amines

R Ray, AS Hazari, GK Lahiri… - Chemistry–An Asian …, 2018 - Wiley Online Library
Amine oxidation is one of the fundamental reactions in organic synthesis as it leads to a
variety of value‐added products such as oximes, nitriles, imines, and amides among many …

Visible-light-mediated efficient metal-free catalyst for α-oxygenation of tertiary amines to amides

Y Zhang, D Riemer, W Schilling, J Kollmann… - ACS Catalysis, 2018 - ACS Publications
A metal-free system has been discovered for the efficient α-oxygenation of tertiary amines to
the corresponding amides using oxygen as an oxidant. This visible-light-mediated …

Dehydrogenative synthesis of quinolines and quinazolines via ligand-free cobalt-catalyzed cyclization of 2-aminoaryl alcohols with ketones or nitriles

Z Hao, X Zhou, Z Ma, C Zhang, Z Han… - The Journal of Organic …, 2022 - ACS Publications
We present a convenient and efficient protocol to synthesize quinolines and quinazolines in
one pot under mild conditions. A variety of substituted quinolines were synthesized in good …

Metal-free photocatalysts for the oxidation of non-activated alcohols and the oxygenation of tertiary amines performed in air or oxygen

Y Zhang, W Schilling, D Riemer, S Das - Nature Protocols, 2020 - nature.com
This protocol describes the use of 9-fluorenone as a cheap and non-toxic photocatalyst for
the oxidation of non-activated alcohols performed under the irradiation of a blue light …

Catalyst-free transamidation of aromatic amines with formamide derivatives and tertiary amides with aliphatic amines

J Yin, J Zhang, C Cai, GJ Deng, H Gong - Organic letters, 2018 - ACS Publications
A simple catalyst-and promoter-free protocol has been developed for the transamidation of
weakly nucleophilic aromatic amines with formamide derivatives and low-reactivity tertiary …

Mechanochemical synthesis of primary amides

J Gómez-Carpintero, JD Sánchez… - The Journal of …, 2021 - ACS Publications
Ball milling of aromatic, heteroaromatic, vinylic, and aliphatic esters with ethanol and
calcium nitride afforded the corresponding primary amides in a transformation that was …

Acceptorless dehydrogenative synthesis of primary amides from alcohols and ammonia

J Luo, QQ Zhou, M Montag, Y Ben-David… - Chemical Science, 2022 - pubs.rsc.org
The highly desirable synthesis of the widely-used primary amides directly from alcohols and
ammonia via acceptorless dehydrogenative coupling represents a clean, atom-economical …

Designed pincer ligand supported Co (II)-based catalysts for dehydrogenative activation of alcohols: Studies on N-alkylation of amines, α-alkylation of ketones and …

A Singh, A Maji, M Joshi, AR Choudhury… - Dalton Transactions, 2021 - pubs.rsc.org
Base-metal catalysts Co1, Co2 and Co3 were synthesized from designed pincer ligands L1,
L2 and L3 having NNN donor atoms respectively. Co1, Co2 and Co3 were characterized by …

Ammonolytic transfer dehydrogenation of amines and amides: a versatile method to valorize nitrogen compounds to nitriles

R Coeck, M Houbrechts, DE De Vos - Chemical Science, 2023 - pubs.rsc.org
The dehydrogenation of amines has been identified as an efficient method for nitrile
synthesis. At present, this approach is restricted to (oxidative) dehydrogenations of primary …

Photogenerated azido radical mediated oxidation: access to carbonyl functionality from alcohols, alkylarenes, and olefins via organophotoredox

M Shee, NDP Singh - Advanced Synthesis & Catalysis, 2022 - Wiley Online Library
Azido radical mediated photocatalytic oxidation method for the selective oxidation of various
well‐known feedstocks, such as (hetero) aromatic or aliphatic alcohols, alkylarenes, and …