Sulfonyl hydrazides in organic synthesis: a review of recent studies

S Zhao, K Chen, L Zhang, W Yang… - Advanced Synthesis & …, 2020 - Wiley Online Library
Sulfonyl hydrazides are widely used as organic reagents. Advances in the past decade are
summarized in the following categories by key intermediates:(1)[RO2S.];(2) …

Recent advances in the synthesis and applications of β-keto sulfones: new prospects for the synthesis of β-keto thiosulfones

RJ Reddy, AH Kumari, JJ Kumar - Organic & Biomolecular Chemistry, 2021 - pubs.rsc.org
This review mainly focuses on recent developments in the preparation of β-keto sulfones
and their extensive synthetic applications. New prospects for the synthesis of β-keto …

Inorganic sulfites as the sulfur dioxide surrogates in sulfonylation reactions

S Ye, G Qiu, J Wu - Chemical Communications, 2019 - pubs.rsc.org
Recent advances in the sulfonylation reactions by using inorganic sulfites as the source of
sulfonyl group are reported. The approaches employing inorganic sulfites as sulfur dioxide …

Photochemical synthesis of 1, 2, 4-triazoles via addition reaction of triplet intermediates to diazoalkanes and azomethine ylide intermediates

BG Cai, YP Bao, C Pei, Q Li, L Li, RM Koenigs… - Chemical …, 2022 - pubs.rsc.org
The reactivity of diazoalkanes most commonly proceeds through the formation of carbene
intermediates or dipolar cycloaddition reactions. The reaction of diazoalkanes with …

Photodriven Radical-Polar Crossover Cyclization Strategy: Synthesis of Pyrazolo[1,5-a]pyridines from Diazo Compounds

P Zhao, Y Liu, Y Zhang, L Wang, Y Ma - Organic Letters, 2024 - ACS Publications
This work demonstrates the synthesis of a variety of perfluoroalkyl heterocycles via a visible-
light-driven radical-polar crossover cyclization strategy. In this process, single-electron …

Electrochemically Induced Synthesis of Sulfonylated N-Unsubstituted Enamines from Vinyl Azides and Sulfonyl Hydrazides

OM Mulina, NV Zhironkina, SA Paveliev… - Organic …, 2020 - ACS Publications
Sulfonylated N-unsubstituted enamines were synthesized through a chain of chemical and
electrochemical transformations via sulfonylation of vinyl azides. The disclosing of the N …

Iron-catalyzed oxosulfonylation of alkynes with small-ring compounds and Na 2 S 2 O 5 for the synthesis of β-keto sulfones

LB Li, H Qiu, MH Li, NN Dai, L Mei, Y He… - Organic Chemistry …, 2023 - pubs.rsc.org
The ring-opening of small-ring compounds is an important topic in organic synthesis due to
its ability to enable the reconstruction and reorganization of existing structures to form new …

Advances in oxosulfonylation reaction

S Ghosh, S Samanta, AK Ghosh… - … Synthesis & Catalysis, 2020 - Wiley Online Library
Oxosulfonylation is a difunctionalization protocol where oxo and sulfonyl groups are
introduced in one step to construct ketosulfones and N‐acylsulfonamides from simple and …

Benzylic C (sp 3)–H bond sulfonylation of 4-methylphenols with the insertion of sulfur dioxide under photocatalysis

X Gong, J Chen, L Lai, J Cheng, J Sun… - Chemical …, 2018 - pubs.rsc.org
Sulfonylation of the benzylic C–H bond is developed through a three-component reaction of
aryldiazonium tetrafluoroborates, 4-methylphenols and sodium metabisulfite (Na2S2O5) …

Catalyst-Controlled Direct Oxysulfonylation of Alkenes by Using Sulfonylazides as the Sulfonyl Radical

R Chen, Y Tang, X He, KK Wang, L Ding, L Liu - Organic Letters, 2023 - ACS Publications
A copper/cobalt-catalyzed difunctionalization of alkenes with sulfonylazides and tert-butyl
hydroperoxide has been achieved. This protocol provides an efficient and direct …