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 …

Donor–Acceptor Cyclopropanes as an Expedient Building Block Towards the Construction of Nitrogen‐Containing Molecules: An Update

P Singh, RK Varshnaya, R Dey… - Advanced Synthesis & …, 2020 - Wiley Online Library
Nitrogen‐containing molecules are the key structural constituent of many pharmaceutical
compounds that play a pivotal role in drug development. Owing to their multifaceted …

Construction of crystalline nitrone-linked covalent organic frameworks via kröhnke oxidation

F Kang, X Wang, C Chen, CS Lee, Y Han… - Journal of the …, 2023 - ACS Publications
Developing diverse synthetic routes to prepare various crystalline covalent organic
frameworks (COFs) and enrich the family of COFs is very important and highly desirable. In …

Traceless directing groups: a novel strategy in regiodivergent C–H functionalization

G Rani, V Luxami, K Paul - Chemical Communications, 2020 - pubs.rsc.org
The use of functional groups as internal ligands for assisting C–H functionalization, termed
the chelation assisted strategy, is emerging as one of the most powerful tools for …

Catalytic enantioselective synthesis of tetrahydrofurans: a dynamic kinetic asymmetric [3+ 2] cycloaddition of racemic cyclopropanes and aldehydes

AT Parsons, JS Johnson - Journal of the American Chemical …, 2009 - ACS Publications
A highly diastereoselective dynamic kinetic asymmetric transformation of racemic 1, 1-
cyclopropane diesters to prepare enantioenriched tetrahydrofuran (THF) derivatives has …

Visible light-promoted amide bond formation via one-pot nitrone in situ formation/rearrangement cascade

BG Cai, SS Luo, L Li, L Li, J Xuan, WJ Xiao - CCS Chemistry, 2021 - chinesechemsoc.org
A green and sustainable synthetic strategy for amide bond formation utilizing a visible light-
promoted nitrone formation/rearrangement cascade was developed. This method utilized …

Selective cyclization of arylnitrones to indolines under external oxidant-free conditions: Dual role of Rh (III) catalyst in the C–H activation and oxygen atom transfer

RB Dateer, S Chang - Journal of the American Chemical Society, 2015 - ACS Publications
The first example of Rh (III)-catalyzed cyclization of arylnitrones to indolines under external
oxidant-free conditions is presented. An intermolecular coupling of arylnitrones with internal …

Dynamic kinetic asymmetric synthesis of substituted pyrrolidines from racemic cyclopropanes and aldimines: reaction development and mechanistic insights

AT Parsons, AG Smith, AJ Neel… - Journal of the American …, 2010 - ACS Publications
An enantioselective preparation of 2, 5-cis-disubstituted pyrrolidines has been achieved via
a dynamic kinetic asymmetric transformation (DyKAT) of racemic donor− acceptor …

Nitrone Directing Groups in Rhodium (III)‐Catalyzed C− H Activation of Arenes: 1, 3‐Dipoles versus Traceless Directing Groups

F Xie, S Yu, Z Qi, X Li - Angewandte Chemie International …, 2016 - Wiley Online Library
Functionalizable directing groups (DGs) are highly desirable in C− H activation chemistry.
The nitrone DGs are explored in rhodium (III)‐catalyzed C− H activation of arenes and …

Stereospecific formal [3+ 2] dipolar cycloaddition of cyclopropanes with nitrosoarenes: an approach to isoxazolidines

S Chakrabarty, I Chatterjee, B Wibbeling… - Angewandte Chemie …, 2014 - Wiley Online Library
Abstract The MgBr2‐catalyzed formal [3+ 2] cycloaddition of donor–acceptor activated
cyclopropanes with nitrosoarenes offers a novel approach to various structurally diverse …