Organic synthesis using nitroxides

D Leifert, A Studer - Chemical Reviews, 2023 - ACS Publications
Nitroxides, also known as nitroxyl radicals, are long-lived or stable radicals with the general
structure R1R2N–O•. The spin distribution over the nitroxide N and O atoms contributes to …

Recent advancements in the use of Bobbitt's salt and 4-acetamidoTEMPO

JM Bray, SM Stephens, SM Weierbach… - Chemical …, 2023 - pubs.rsc.org
Recent advances in synthetic methodologies for selective, oxidative transformations using
Bobbitt's salt (4-acetamido-2, 2, 6, 6-tetramethyl-1-oxopiperidinium tetrafluoroborate, 1) and …

Solvent-and additive-free oxidative amidation of aldehydes using a recyclable oxoammonium salt

AL Sandoval, KE Doherty, GP Wadey… - Organic & Biomolecular …, 2022 - pubs.rsc.org
A range of acyl azoles have been prepared from aromatic, heteroaromatic, and aliphatic
aldehydes by means of an oxidative amidation reaction. The methodology employs a …

Acetamido-TEMPO mediated electrochemical oxidation of alcohols to aldehydes and ketones

CM Schroeder, F Politano, KK Ohlhorst… - RSC …, 2023 - pubs.rsc.org
A protocol for the oxidation of alcohols to aldehydes and ketones employing an
electrochemical aminoxyl-mediated reaction is presented. The approach employs a catalytic …

Nitroxide‐Catalyzed Oxidative Amidation of Aldehydes to Yield N‐Acyl Azoles Using Sodium Persulfate

F Politano, A León Sandoval, ML Witko… - European Journal of …, 2022 - Wiley Online Library
Nitroxide‐Catalyzed Oxidative Amidation of Aldehydes to Yield N‐Acyl Azoles Using
Sodium Persulfate - Politano - 2022 - European Journal of Organic Chemistry - Wiley Online …

Preparation of nitriles from aldehydes using ammonium persulfate by means of a nitroxide-catalysed oxidative functionalisation reaction

AL Sandoval, F Politano, ML Witko… - Organic & Biomolecular …, 2022 - pubs.rsc.org
A methodology for the preparation of nitriles from aldehydes by means of an oxidative
functionalisation reaction is reported. It employs ammonium persulfate as both the primary …

Facile synthesis of HFIP esters-containing 2H-benzopyrans through palladium-catalyzed one-pot cyclization/carbonylation using formic acid as the CO source

D Wen, B Yao, X Qi, XF Wu - Journal of Catalysis, 2024 - Elsevier
An efficient and straightforward procedure for the synthesis of HFIP esters-containing 2H-
benzopyrans has been established through palladium-catalyzed one-pot cyclization …

Oxidation of α-Trifluoromethyl and Nonfluorinated Secondary Alcohols to Ketones Using a Nitroxide Catalyst

F Politano, WP Brydon, NE Leadbeater - Synthesis, 2023 - thieme-connect.com
A methodology for the oxidation of α-trifluoromethyl alcohols to the corresponding
trifluoromethyl ketones is presented. A catalytic quantity of a nitroxide is used, and …

Scale-up of Sodium Persulfate Mediated, Nitroxide Catalyzed Oxidative Functionalization Reactions

KE Doherty, AL Sandoval, F Politano… - Current Organic …, 2024 - ingentaconnect.com
Background: Oxidation is a valuable tool in preparative organic chemistry. Oxoammonium
salts and nitroxides have proven valuable as reagents and catalysts in this endeavor …

Cleaner, Green Oxidation Chemistry: Development of New Oxoammonium-and Nitroxide-Mediated Transformations

K Doherty - 2024 - digitalcommons.lib.uconn.edu
This work investigates various key oxidation and oxidative functionalization reactions that
occur using a bench-stable nitroxide and its oxoammonium nitrate salt congener. Such …