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 advances in C–CN and C–H bond activation of green nitrile (MeCN) for organo-complexation, cyanation and cyanomethylation

MS Ahmad, IN Pulidindi, C Li - New Journal of Chemistry, 2020 - pubs.rsc.org
The use of green and inexpensive organic nitrile (MeCN) as a cyano and cyano-methyl
source for organo-complexation, cyanation, and cyanomethylation is reviewed. In recent …

Recent Development in Palladium-Catalyzed Domino Reactions: Access to Materials and Biologically Important Carbo-and Heterocycles

HA Dondas, MG Retamosa, JM Sansano - Organometallics, 2019 - ACS Publications
The chemistry of palladium complexes has no limits. Many domino processes (even
multicomponent) are continuously appearing in the literature. Carbocyclic and heterocyclic …

Selective synthesis of 2-indolyl-3-oxoindolines or 2-(2-aminophenyl) quinolines through Cu (II)-or Bi (III)-catalyzed tunable dimerizations of 2-alkynylanilines

R Jia, B Li, X Zhang, X Fan - Organic Letters, 2020 - ACS Publications
A novel and selective synthesis of 2-indolyl-3-oxoindolines or 2-(2-aminophenyl) quinolines
through tunable dimerizations of 2-alkynylanilines is presented. Mechanistically, the …

One‐Pot Asymmetric Oxidative Dearomatization of 2‐Substituted Indoles by Merging Transition Metal Catalysis with Organocatalysis to Access C2‐Tetrasubstituted …

YL Zhao, JX An, FF Yang, X Guan, XZ Fu… - Advanced Synthesis …, 2022 - Wiley Online Library
A one‐pot approach for the asymmetric synthesis of C2‐tetrasubstituted indolin‐3‐ones from
2‐substituted indoles was developed via merging transition metal catalysis with …

Organocatalytic asymmetric dearomative oxyalkylation of indoles enables access to C2-quaternary indolin-3-ones

X Liu, X Yan, JH Yu, YD Tang, K Wang, H Zhang - Organic letters, 2019 - ACS Publications
A facile and efficient asymmetric dearomative oxyalkylation of indoles with TEMPO
oxoammonium salt and a variety of aldehydes and ketones has been described. This metal …

Gold/copper-Co-catalyzed Tandem reactions of 2-alkynylanilines: a synthetic strategy for the C2-quaternary indolin-3-ones

YJ Li, N Yan, CH Liu, Y Yu, YL Zhao - Organic letters, 2017 - ACS Publications
A new strategy for direct and highly efficient synthesis of 2, 3′-bisindolin-3-ones has been
developed via a gold/copper-co-catalyzed tandem reactions of 2-alkynylanilines using …

[HTML][HTML] A solid-supported organocatalyst for asymmetric Mannich reaction to construct C2-quaternary indolin-3-ones

JX An, FF Yang, P Wang, ZC Gu, Y Li, L Chen… - RSC …, 2022 - pubs.rsc.org
A simple and novel solid-supported organocatalyst from a 2-chlorotrityl chloride resin-
immobilized 4-hydroxyproline was developed, and this organocatalyst has been used for the …

Direct oxidative dearomatization of indoles: access to structurally diverse 2, 2-disubstituted indolin-3-ones

X Liu, X Yan, Y Tang, CS Jiang, JH Yu… - Chemical …, 2019 - pubs.rsc.org
Described is an efficient oxidative dearomatization of indoles with TEMPO oxoammonium
salt and a broad range of nucleophiles. Under very mild conditions, dearomative …

[HTML][HTML] Visible-light-induced, graphene oxide-promoted C3-chalcogenylation of indoles strategy under transition-metal-free conditions

Q Huang, X Peng, H Li, H He, L Liu - Molecules, 2022 - mdpi.com
An efficient and general method for the synthesis of 3-sulfenylindoles and 3-selenylindoles
employing visible-light irradiation with graphene oxide as a promoter at room temperature …