Synthesis and transformations of nitrones for organic synthesis

SI Murahashi, Y Imada - Chemical reviews, 2019 - ACS Publications
Nitrones are important compounds and are highly useful in many aspects. The first part
describes the methods for synthesis of nitrones, which are useful and environmentally …

Part I: Nitroalkenes in the synthesis of heterocyclic compounds

AZ Halimehjani, INN Namboothiri, SE Hooshmand - RSC Advances, 2014 - pubs.rsc.org
The applications of nitroalkenes in the synthesis of three-to five-membered O, N and S-
heterocycles, including natural products are investigated in this review. These heterocyclic …

A Molecular Electron Density Theory Study of the Reactivity and Selectivities in [3 + 2] Cycloaddition Reactions of C,N-Dialkyl Nitrones with Ethylene Derivatives

LR Domingo, M Ríos-Gutiérrez… - The Journal of Organic …, 2018 - ACS Publications
The zw-type [3+ 2] cycloaddition (32CA) reactions of C, N-dialkyl nitrones with a series of
ethylenes of increased electrophilic character have been studied within the Molecular …

Oxime radical promoted dioxygenation, oxyamination, and diamination of alkenes: synthesis of isoxazolines and cyclic nitrones

B Han, XL Yang, R Fang, W Yu, C Wang… - Angewandte Chemie …, 2012 - infona.pl
Up the tempo: The intramolecular addition of oxime radicals to C C bonds was achieved by
using DEAD and TEMPO to give 4, 5‐dihydroisoxazoles as a result of a C O bond‐forming …

An Iridium-Catalyzed Reductive Approach to Nitrones from N-Hydroxyamides

S Katahara, S Kobayashi, K Fujita… - Journal of the …, 2016 - ACS Publications
An Ir-catalyzed reductive formation of functionalized nitrones from N-hydroxyamides was
reported. The reaction took place through two types of iridium-catalyzed reactions including …

Asymmetric nitrone synthesis via ligand-enabled copper-catalyzed cope-type hydroamination of cyclopropene with oxime

Z Li, J Zhao, B Sun, T Zhou, M Liu, S Liu… - Journal of the …, 2017 - ACS Publications
We report realization of the first enantioselective Cope-type hydroamination of oximes for
asymmetric nitrone synthesis. The ligand promoted asymmetric cyclopropene …

A modular and divergent approach to spirocyclic pyrrolidines

BDA Shennan, PW Smith, Y Ogura, DJ Dixon - Chemical Science, 2020 - pubs.rsc.org
An efficient three-step sequence to afford a valuable class of spirocyclic pyrrolidines is
reported. A reductive cleavage/Horner–Wadsworth–Emmons cascade facilitates the …

Organocatalytic Asymmetric Synthesis of Chiral Dioxazinanes and Dioxazepanes with in Situ Generated Nitrones via a Tandem Reaction Pathway Using a …

Y Liu, J Ao, S Paladhi, CE Song… - Journal of the American …, 2016 - ACS Publications
Heterocyclic skeletons play major roles in pharmaceuticals and biological processes.
Cycloaddition reactions are most suitable synthetic tools to efficiently construct chemically …

Total Syntheses of Casuarine and Its 6‐O‐α‐Glucoside: Complementary Inhibition towards Glycoside Hydrolases of the GH31 and GH37 Families

F Cardona, C Parmeggiani, E Faggi… - … A European Journal, 2009 - Wiley Online Library
Selective glucosylation: Total synthesis of naturally occurring casuarine (1) and the first total
synthesis of casuarine 6‐O‐α‐glucoside (2) were achieved through complete …

[HTML][HTML] Metal complexes versus organocatalysts in asymmetric 1, 3-dipolar cycloadditions

C Nájera, JM Sansano, M Yus - Journal of the Brazilian Chemical …, 2010 - SciELO Brasil
In this review, a comparison between the Lewis acid catalysed and organocatalysed 1, 3-
dipolar cycloaddition is presented with special focus on the enantioselective synthesis of five …