Differentiation between enamines and tautomerizable imines in the oxidation reaction with TEMPO

X Jie, Y Shang, ZN Chen, X Zhang, W Zhuang… - Nature …, 2018 - nature.com
Enamine and imine represent two of the most common reaction intermediates in syntheses,
and the imine intermediates containing α-hydrogen often exhibit the similar reactivity to …

Upgrading furanic platforms to α-enaminones: tunable continuous flow hydrogenation of bio-based cyclopentenones

LAS Cavaca, JAS Coelho, SD Lucas… - Reaction Chemistry & …, 2023 - pubs.rsc.org
Here we describe a tunable continuous flow hydrogenation of trans-4, 5-diamino
cyclopentenones (DCPs) allowing the selective stepwise synthesis of novel bifunctionalized …

Cu-catalyzed coupling of indanone oxime acetates with thiols to 2, 3-difunctionalized indenones

Y Fu, X Zhao, D Chen, J Luo, S Huang - Chemical Communications, 2021 - pubs.rsc.org
A Cu-catalyzed coupling reaction of indanone oxime acetates with thiols has been
developed for the synthesis of 2, 3-functionalized 1-indenones. This protocol has several …

Synthesis of α-enaminones from cyclic ketones and anilines using oxoammonium salt as an oxygen transfer reagent

B Xu, Y Shang, X Jie, X Zhang, J Kan, SL Yedage… - Green …, 2020 - pubs.rsc.org
A convenient and straightforward transformation of cyclic ketones with anilines at room
temperature has been developed using oxoammonium salt TEMPO+ PF6− as an oxidant …

Multifunctionalization of unactivated cyclic ketones via synergistic catalysis of copper and diarylamine: access to cyclic α-enaminone

Y Li, R Zhang, X Bi, J Fu - Organic letters, 2018 - ACS Publications
A multifunctionalization of unactivated cyclic ketones via synergistic catalysis of copper and
diarylamine for the direct synthesis of cyclic α-enaminone is reported for the first time. This …

Preparation of shell-type biochar and its application for removing beryllium from uranium-beryllium wastewater

X Zhao, Y Sun, H Li, Z Lei, KMY Ali, F Hu… - … of Radioanalytical and …, 2024 - Springer
With the intensification of uranium-beryllium mining, a large amount of tailings wastewater is
urgently needed to be treated. In this paper, the agricultural waste longan shell is used as …

Direct access to polycyclic imidazolium salts via decarboxylative condensation of α-enaminones with proline

Y Simha, G Daniels, A Goldman, E Kuniavsky… - Green …, 2023 - pubs.rsc.org
A new strategy for direct access to fully substituted polycyclic imidazolium salts, based on
the interaction of α-enaminones with proline in the presence of variety of counter-ions, is …

Can Primary Arylamines Form Enamine? Evidence, α-Enaminone, and [3+ 3] Cycloaddition Reaction

EHN Fernando, J Cortes Vazquez, J Davis… - The Journal of …, 2021 - ACS Publications
The formation of enamine from primary arylamines was detected and confirmed by nuclear
magnetic resonance spectroscopy. The presence of a radical quencher, eg,(2, 2, 6, 6 …

Ultrasound-Assisted Synthesis of β-enaminone Derivatives via Tin (IV)-Catalyzed Addition Reaction from β-dicarbonyl Compounds with Nitriles

S Pei, J Yang, J Wang, K Yuan… - Letters in Organic …, 2022 - ingentaconnect.com
An efficient and eco-friendly approach for the synthesis of β-enaminone derivatives is
described by adding nitriles with β-dicarbonyl compounds under ultrasound irradiation …

Visible light-mediated cyclizations of cyclic enones

NA Parker - 2020 - ora.ox.ac.uk
The work outlined in this thesis covers the development of visible light-mediated cyclizations
of cyclic enones. Chapter one provides an overview of photochemical cyclizations, focusing …