Recent advances in the enantioselective 1, 3-dipolar cycloaddition of azomethine ylides and dipolarophiles

B Bdiri, BJ Zhao, ZM Zhou - Tetrahedron: Asymmetry, 2017 - Elsevier
The synthesis of diastereo-and enantiopure heterocyclic molecules via catalytic asymmetric
1, 3-dipolar cycloaddition reaction between azomethine ylides, generated in situ from α …

C (sp 2)–H functionalization in non-aromatic azomethine-based heterocycles

AA Akulov, MV Varaksin, P Mampuys… - Organic & …, 2021 - pubs.rsc.org
Direct C (sp2)–H functionalization of the endocyclic azomethine and aldonitrone moieties in
non-aromatic azaheterocycles has established itself as a promising methodology over the …

A regio‐and stereoselective ω‐transaminase/monoamine oxidase cascade for the synthesis of chiral 2, 5‐disubstituted pyrrolidines

E O'Reilly, C Iglesias, D Ghislieri… - Angewandte …, 2014 - Wiley Online Library
Biocatalytic approaches to the synthesis of optically pure chiral amines, starting from simple
achiral building blocks, are highly desirable because such motifs are present in a wide …

Catalytic Asymmetric Direct Henry Reaction of Ynals: Short Syntheses of (2S,3R)‐(+)‐Xestoaminol C and (−)‐Codonopsinines

D Uraguchi, S Nakamura, T Ooi - Angewandte Chemie International …, 2010 - infona.pl
Triple for all: Various optically active anti‐β‐nitro propargylic alcohols are synthesized by the
catalytic stereoselective addition of nitroalkanes to ynals (the direct Henry reaction of ynals) …

A convenient approach toward the synthesis of enantiopure isomers of DMDP and ADMDP

EL Tsou, YT Yeh, PH Liang, WC Cheng - Tetrahedron, 2009 - Elsevier
A practical method for the synthesis of five-membered iminocyclitols, pyrrolidine alkaloids
bearing multiple hydroxyl substituents, has been developed. All of the eight key …

The Phenylsulfonyl Group as a Temporal Regiochemical Controller in the Catalytic Asymmetric 1, 3‐Dipolar Cycloaddition of Azomethine Ylides

A López‐Pérez, J Adrio, JC Carretero - Angewandte Chemie, 2009 - Wiley Online Library
Pyrrolidine derivatives are a significant group of heterocycles which are present in an array
of natural and synthetic biologically active products.[1] Furthermore, proline analogues have …

Stereoselective Synthesis of Highly Substituted Δ-Pyrrolines:  exo-Selective 1,3-Dipolar Cycloaddition Reactions with Azlactones

S Peddibhotla, JJ Tepe - Journal of the American Chemical …, 2004 - ACS Publications
We report herein a silver (I)-catalyzed exo-selective synthesis of highly substituted Δ1-
pyrroline scaffolds from amino acid-derived münchnones. Silver acetate successfully …

Oxidation of N,N-Disubstituted Hydroxylamines to Nitrones with Hypervalent Iodine Reagents

C Matassini, C Parmeggiani, F Cardona, A Goti - Organic letters, 2015 - ACS Publications
Hypervalent iodine compounds are viable reagents for the oxidation of N, N-disubstituted
hydroxylamines to the corresponding nitrones, with IBX performing best. The procedure is …

Properties, Preparation and Synthetic Uses of Amine N-Oxides. An Update

D Bernier, UK Wefelscheid… - Organic Preparations and …, 2009 - Taylor & Francis
This review covers practical aspects of the preparation, handling and use of all types of
amine N-oxides. It aims to provide both an encyclopedic overview of the general chemistry …

Enantiopure cyclic nitrones: A useful class of building blocks for asymmetric syntheses

J Revuelta, S Cicchi, A Goti, A Brandi - Synthesis, 2007 - thieme-connect.com
The synthesis of enantiopure cyclic nitrones has become a frequently addressed topic in
discussions of their usefulness in the production of natural products and biologically active …