A Three-Component Reaction of Aryldiazonium Tetrafluoroborates, Sulfur Dioxide, and 1-(Prop-2-yn-1-yl)indoles under Catalyst-Free Conditions

Photocatalytic formation of carbon–sulfur bonds

(2018) Alexander Wimmer et al.   Beilstein Journal of Organic Chemistry

Generation of sulfonated 1-isoindolinones through a multicomponent reaction with the insertion of sulfur dioxide

(2018) Jun Zhang et al.   CHEMICAL COMMUNICATIONS

Copper-Catalyzed Regioselective Cleavage of C−X and C−H Bonds: A Strategy for Sulfur Dioxide Fixation

(2018) Daoshan Yang et al.   CHEMISTRY-A EUROPEAN JOURNAL

Radicals and Sulfur Dioxide: A Versatile Combination for the Construction of Sulfonyl-Containing Molecules

(2018) Kamil Hofman et al.   CHEMISTRY-A EUROPEAN JOURNAL

A copper-catalyzed sulfonylative C–H bond functionalization from sulfur dioxide and aryldiazonium tetrafluoroborates

(2018) Hongguang Xia et al.   Organic Chemistry Frontiers

Synthesis of sulfonated naphthols via C–H bond functionalization with the insertion of sulfur dioxide

(2018) Kaida Zhou et al.   Organic Chemistry Frontiers

Insertion of sulfur dioxide via a radical process: an efficient route to sulfonyl compounds

(2018) Guanyinsheng Qiu et al.   Organic Chemistry Frontiers

Generation of sulfonated isobenzofuran-1(3H)-ones under photocatalysis through the insertion of sulfur dioxide

(2018) Jun Zhang et al.   Organic Chemistry Frontiers

Recent advances in the sulfonylation of alkenes with the insertion of sulfur dioxide via radical reactions

(2018) Guanyinsheng Qiu et al.   CHEMICAL COMMUNICATIONS

Sulfenylation of C-H Bonds for C-S Bond Formation under Metal-Free Conditions

(2017) Dao-Qing Dong et al.   EUROPEAN JOURNAL OF ORGANIC CHEMISTRY

A Copper-Catalyzed Friedel–Crafts Alkylation/Cyclization Sequence: an Approach to Functionalized Pyrrolo[1,2-a]indole Spirooxindoles and 9H-Pyrrolo[1,2-a]indoles

(2017) Yan-Shuo Zhu et al.   JOURNAL OF ORGANIC CHEMISTRY

Copper-Catalyzed Oxidative Cyclization of Alkynes with Sulfonylhydrazides Leading to 2-Sulfonated 9H-pyrrolo[1,2-a]indol-9-ones

(2017) Xin-Yu Zhu et al.   JOURNAL OF ORGANIC CHEMISTRY

Copper-Catalyzed Cascade Phosphorylation Initiated Radical Cyclization: Access to 2-Phosphorylated Pyrrolo[1,2-a]indole

(2017) Honglin Zhang et al.   JOURNAL OF ORGANIC CHEMISTRY

Pd-Catalyzed Conversion of Aryl Iodides to Sulfonyl Fluorides Using SO2 Surrogate DABSO and Selectfluor

(2017) Ariana L. Tribby et al.   JOURNAL OF ORGANIC CHEMISTRY

Synthesis of sulfones via selective C–H-functionalization

(2017) Saad Shaaban et al.   ORGANIC & BIOMOLECULAR CHEMISTRY

Silver-Catalyzed Radical-Involved Cascade Cyclization of Diphenylphosphine with Cinnamamides: Access to 2-Phosphinoyl-3H-pyrrolo[1,2-a]indoles

(2017) Jian Xu et al.   ORGANIC LETTERS

Cascade Radical Cyclization of N-Propargylindoles: Substituents Dictate Stereoselective Formation of N-Fused Indolines versus Indoles

(2017) Santosh J. Gharpure et al.   ORGANIC LETTERS

Chiral Diphosphine–Palladium-Catalyzed Sequential Asymmetric Double-Friedel–Crafts Alkylation and N-Hemiketalization for Spiro-polycyclic Indole Derivatives

(2017) Nai-Kai Li et al.   ORGANIC LETTERS

Construction of Functionalized Annulated Sulfone via SO2/I Exchange of Cyclic Diaryliodonium Salts

(2017) Ming Wang et al.   ORGANIC LETTERS

Pd-Catalyzed Selective Synthesis of Cyclic Sulfonamides and Sulfinamides Using K2S2O5 as a Sulfur Dioxide Surrogate

(2017) Hideyuki Konishi et al.   ORGANIC LETTERS

Copper-Catalyzed Arylsulfonylation and Cyclizative Carbonation of N-(Arylsulfonyl)acrylamides Involving Desulfonative Arrangement toward Sulfonated Oxindoles

(2017) Hepan Wang et al.   ORGANIC LETTERS

N-Radical Initiated Aminosulfonylation of Unactivated C(sp3)–H Bond through Insertion of Sulfur Dioxide

(2017) Yuewen Li et al.   ORGANIC LETTERS

Palladium-Catalyzed Direct C–H Functionalization of Indoles with the Insertion of Sulfur Dioxide: Synthesis of 2-Sulfonated Indoles

(2017) Tong Liu et al.   ORGANIC LETTERS

Cobalt(ii)-catalyzed remote C5-selective C–H sulfonylation of quinolines via insertion of sulfur dioxide

(2017) Kai Wang et al.   RSC Advances

Synthesis of 3-((arylsulfonyl)methyl)indolin-2-ones via insertion of sulfur dioxide using anilines as the aryl source

(2017) Tong Liu et al.   Organic Chemistry Frontiers

Direct synthesis of 2-sulfonated 9H-pyrrolo[1,2-a]indoles via NaI-catalyzed cascade radical addition/cyclization/isomerization

(2017) Pengbo Zhang et al.   Organic Chemistry Frontiers

Generation of benzosultams via a radical process with the insertion of sulfur dioxide

(2017) Kaida Zhou et al.   Organic Chemistry Frontiers

Reductive insertion of sulfur dioxide for the synthesis of trifluoromethyl thiolsulphonates through a one-pot reaction of aniline and trifluoromethanesulfanylamide

(2017) Jie Sheng et al.   Organic Chemistry Frontiers

Transition-metal-free oxidative reaction of hydrazines and potassium metabisulfite for preparation of sulfonohydrazides

(2017) Yang Wang et al.   Organic Chemistry Frontiers

Synthesis of β-keto sulfones via a multicomponent reaction through sulfonylation and decarboxylation

(2017) Jiyao Yu et al.   Organic Chemistry Frontiers

Copper-catalyzed radical 1,2-cyclization of indoles with arylsulfonyl hydrazides: access to 2-thiolated 3H-pyrrolo[1,2-a]indoles

(2017) Jiawei Zhu et al.   Organic Chemistry Frontiers

Visible Light Photoredox Activation of Sulfonyl Chlorides: Applications in Organic Synthesis

(2017) Renu Chaudhary et al.   ChemistrySelect

Synthesis of Chiral Sulfonyl Lactones via Copper-Catalyzed Asymmetric Radical Reaction of DABCO⋅(SO2 )

(2017) Yang Wang et al.   ADVANCED SYNTHESIS & CATALYSIS

Generation of Sulfonyl Radicals from Aryldiazonium Tetrafluoroborates and Sulfur Dioxide: The Synthesis of 3-Sulfonated Coumarins

(2016) Danqing Zheng et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Iron-catalyzed synthesis of arylsulfinates through radical coupling reaction

(2016) Weixi Zhang et al.   CHEMICAL COMMUNICATIONS

Brønsted Acid Catalyzed [3+2]-Cycloaddition of 2-Vinylindoles with In Situ Generated 2-Methide-2H-indoles: Highly Enantioselective Synthesis of Pyrrolo[1,2-a]indoles

(2016) Kalisankar Bera et al.   CHEMISTRY-A EUROPEAN JOURNAL

Construction of 9H-Pyrrolo[1,2-a]indoles by a Copper-Catalyzed Friedel–Crafts Alkylation/Annulation Cascade Reaction

(2016) Yongqing Sun et al.   JOURNAL OF ORGANIC CHEMISTRY

Electrophilic Cyclization of Aryl Propargylic Alcohols: Synthesis of Dihalogenated 6,9-Dihydropyrido[1,2-a]indoles via a Cascade Iodocyclization

(2016) Jia Wang et al.   JOURNAL OF ORGANIC CHEMISTRY

Synthetic studies towards putative yuremamine using an iterative C(sp3)–H arylation strategy

(2016) Matthew B. Calvert et al.   ORGANIC & BIOMOLECULAR CHEMISTRY

Expedient synthesis of densely substituted pyrrolo[1,2-a]indoles

(2016) Dattatraya H. Dethe et al.   ORGANIC & BIOMOLECULAR CHEMISTRY

Cascade Phosphinoylation/Cyclization/Isomerization Process for the Synthesis of 2-Phosphinoyl-9H-pyrrolo[1,2-a]indoles

(2016) Su Chen et al.   ORGANIC LETTERS

Radical Cyclizations for the Synthesis of Pyrroloindoles: Progress toward the Flinderoles

(2016) Joanne E. Curiel Tejeda et al.   ORGANIC LETTERS

Recent Advances in the Synthesis of Sulfones

(2016) Georg Manolikakes et al.   SYNTHESIS-STUTTGART

Copper-Catalyzed Selective Aerobic Oxidative Cascade Reaction of Hydrazines, DABSO, and Amines for the Direct Synthesis of Sulfonamides

(2016) Bingnan Du et al.   Asian Journal of Organic Chemistry

Copper(i)-catalyzed sulfonylation of (2-alkynylaryl)boronic acids with DABSO

(2016) Runyu Mao et al.   Organic Chemistry Frontiers

Generation of N-aminosulfonamides via a photo-induced fixation of sulfur dioxide into aryl/alkyl halides

(2016) Yuewen Li et al.   Organic Chemistry Frontiers

A copper(i)-catalyzed three-component reaction of triethoxysilanes, sulfur dioxide, and alkyl halides

(2016) Danqing Zheng et al.   Organic Chemistry Frontiers

Generation of (2-oxoindolin-3-yl)methanesulfonohydrazides via a photo-induced reaction of N-(2-iodoaryl)acrylamide, DABSO, and hydrazine

(2016) Kaida Zhou et al.   Organic Chemistry Frontiers

Palladium(II)-Catalyzed Synthesis of Sulfinates from Boronic Acids and DABSO: A Redox-Neutral, Phosphine-Free Transformation

(2015) Alex S. Deeming et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Palladium-Catalyzed Synthesis of (Hetero)Aryl Alkyl Sulfones from (Hetero)Aryl Boronic Acids, Unactivated Alkyl Halides, and Potassium Metabisulfite

(2015) Andre Shavnya et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

A Novel Pd-Catalysed Annulation Reaction for the Syntheses of Pyrroloindoles and Pyrroloquinolines

(2015) Dattatraya H. Dethe et al.   CHEMISTRY-A EUROPEAN JOURNAL

Intramolecular Gold-Catalyzed and NaH-Supported Cyclization Reactions of N-Propargyl Indole Derivatives with Pyrazole and Pyrrole Rings: Synthesis of Pyrazolodiazepinoindole, Pyrazolopyrazinoindole, and Pyrrolopyrazinoindole

(2015) Sinan Basceken et al.   JOURNAL OF ORGANIC CHEMISTRY

Fixation of sulfur dioxide into small molecules

(2015) Gang Liu et al.   ORGANIC & BIOMOLECULAR CHEMISTRY

Indole Functionalization via Photoredox Gold Catalysis

(2015) Sherif J. Kaldas et al.   ORGANIC LETTERS

The Development and Application of Sulfur Dioxide Surrogates in Synthetic Organic Chemistry

(2015) Edward J. Emmett et al.   Asian Journal of Organic Chemistry

Aminosulfonylation of Arenes, Sulfur Dioxide, and Hydrazines Cocatalyzed by Gold(III) Chloride and Palladium Acetate

(2014) Shengqing Ye et al.   ADVANCED SYNTHESIS & CATALYSIS

Metal-Free Aminosulfonylation of Aryldiazonium Tetrafluoroborates with DABCO⋅(SO2)2and Hydrazines

(2014) Danqing Zheng et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Application of Fundamental Organometallic Chemistry to the Development of a Gold-Catalyzed Synthesis of Sulfinate Derivatives

(2014) Miles W. Johnson et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

One-Pot Asymmetric Synthesis of Quaternary Pyrroloindolones through a Multicatalytic N-Allylation/Hydroacylation Sequence

(2014) Hong Lu et al.   CHEMISTRY-A EUROPEAN JOURNAL

Sulfinate derivatives: dual and versatile partners in organic synthesis

(2014) Jessy Aziz et al.   ORGANIC & BIOMOLECULAR CHEMISTRY

A Copper-Catalyzed Three-Component Reaction of Triethoxysilanes, Sulfur Dioxide, and Hydrazines

(2014) Xianbo Wang et al.   ORGANIC LETTERS

Rediscovering the Chemistry of Sulfur Dioxide: New Developments in Synthesis and Catalysis

(2014) Michael Willis et al.   SYNTHESIS-STUTTGART

Asymmetric Synthesis of Pyrroloindolones by N-Heterocyclic Carbene Catalyzed [2+3] Annulation of α-Chloroaldehydes with Nitrovinylindoles

(2013) Qijian Ni et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Highly Enantioselective Friedel-Crafts Alkylation/N-Hemiacetalization Cascade Reaction with Indoles

(2013) Hong-Gang Cheng et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Enantioselective Friedel–Crafts alkylation for synthesis of 2-substituted indole derivatives

(2013) Yulong Zhang et al.   CHEMICAL COMMUNICATIONS

Biomimetic Total Syntheses of Borreverine and Flinderole Alkaloids

(2013) Dattatraya H. Dethe et al.   JOURNAL OF ORGANIC CHEMISTRY

Taming sulfur dioxide: a breakthrough for its wide utilization in chemistry and biology

(2013) Philippe Bisseret et al.   ORGANIC & BIOMOLECULAR CHEMISTRY

Chemoselective Cascade Synthesis of N-Fused Heterocycles via Silver(I) Triflate-Catalyzed Friedel-Crafts/N-C Bond Formation Sequence

(2010) Lu Hao et al.   ADVANCED SYNTHESIS & CATALYSIS

TiO2 nanoparticles and Preyssler-type heteropoly acid modified nano-sized TiO2: A facile and efficient catalyst for the selective oxidation of sulfides to sulfones and sulfoxides

(2010) Mohammad Rahimizadeh et al.   JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL

A highly efficient, green, rapid, and chemoselective oxidation of sulfides using hydrogen peroxide and boric acid as the catalyst under solvent-free conditions

(2010) Amin Rostami et al.   TETRAHEDRON LETTERS

Potent antitumor bifunctional DNA alkylating agents, synthesis and biological activities of 3a-aza-cyclopenta[a]indenes

(2009) Rajesh Kakadiya et al.   BIOORGANIC & MEDICINAL CHEMISTRY

An efficient synthesis of 9H-pyrrolo[1,2-a]indoles

(2008) Kasey Wood et al.   TETRAHEDRON LETTERS