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List of works by Helfried Neumann

A Convenient Palladium-Catalyzed Carbonylative Synthesis of 2-Aminbenzoxazinones from 2-Bromoanilines and Isocyanates

scientific article published on 20 March 2013

A Convenient and General Palladium-Catalyzed Carbonylative Coupling for the Synthesis of 2-Arylbenzoxazinones

scientific article published on 28 September 2011

A General Cyclocarbonylation of Aryl Bromides and Triflates with Acetylenes: Palladium-Catalyzed Synthesis of 3-Alkylidenefuran-2-ones

scientific article published on 7 June 2011

A General Palladium-Catalyzed Amination of Aryl Halides with Ammonia

scientific article published on 01 January 2009

A General Palladium-Catalyzed Aminocarbonylation of Phenols to Primary Benzamides via In Situ Generation of Aryl Nonaflates

scientific article published on 12 December 2011

A General Palladium-Catalyzed Carbonylative Sonogashira Coupling of Aryl Triflates

scientific article published on 3 December 2010

A General Palladium-Catalyzed Carbonylative Synthesis of 2-Alkylbenzoxazinones from 2-Bromoanilines and Acid Anhydrides

scientific article published on 3 September 2012

A General Palladium-Catalyzed Carbonylative Synthesis of Chromenones from Salicylic Aldehydes and Benzyl Chlorides

scientific article published on 12 August 2013

A General and Convenient Palladium-Catalyzed Carbonylative Sonogashira Coupling of Aryl Bromides

scientific article published on 16 September 2010

A General and Efficient Palladium-Catalyzed Alkoxycarbonylation of Phenols To Form Esters through In Situ Formed Aryl Nonaflates

scientific article published on 29 February 2012

A General and Efficient Palladium-Catalyzed Carbonylative Synthesis of 2-Aryloxazolines and 2-Aryloxazines from Aryl Bromides

scientific article published on 11 September 2012

A convenient and practical synthesis of anisoles and deuterated anisoles by palladium-catalyzed coupling reactions of aryl bromides and chlorides

scientific article published on 01 February 2012

A general and efficient catalyst for palladium-catalyzed C-O coupling reactions of aryl halides with primary alcohols

scientific article published on 01 August 2010

A general and efficient method for the formylation of aryl and heteroaryl bromides

scientific article published on 01 December 2005

A general and practical Ni-catalyzed C-H perfluoroalkylation of (hetero)arenes

scientific article published on 01 June 2019

A general platinum-catalyzed alkoxycarbonylation of olefins

scientific article published on 09 April 2020

A general rhodium-catalyzed cyanation of aryl and alkenyl boronic acids

scientific article published on 01 January 2011

A novel MCR of isocyanates, aldehydes, and dienophiles

scientific article published on 01 September 2005

A novel and convenient synthesis of benzonitriles: electrophilic cyanation of aryl and heteroaryl bromides

scientific article published on 08 March 2011

A novel double carbonylation reaction of aryl halides: selective synthesis of 5-arylfuranones

scientific article published on 10 September 2013

A selective palladium-catalyzed carbonylative arylation of aryl ketones to give vinylbenzoate compounds

scientific article published on 09 November 2012

An efficient and general synthesis of primary amines by ruthenium-catalyzed amination of secondary alcohols with ammonia

scientific article published on 01 October 2010

Anilines made easily: from aldehydes to tri-, tetra-, and pentasubstituted anilines in two steps

scientific article published on 01 September 2003

Aryl Formate as Bifunctional Reagent: Applications in Palladium-Catalyzed Carbonylative Coupling Reactions Using In Situ Generated CO

scientific article published on 14 February 2014

Base-Controlled Selectivity in the Synthesis of Linear and Angular Fused Quinazolinones by a Palladium-Catalyzed Carbonylation/Nucleophilic Aromatic Substitution Sequence

scientific article published on 30 May 2014

Convenient and General Palladium-Catalyzed Carbonylative Sonogashira Coupling of Aryl Amines

scientific article published on 28 September 2011

Convenient and mild synthesis of nitroarenes by metal-free nitration of arylboronic acids

scientific article published in 2011

Copper-catalyzed trifluoromethylation of aryl- and vinylboronic acids with generation of CF3-radicals

scientific article published on 01 April 2013

Corrigendum: Rhodium(II)-Catalyzed Annulation of Azavinyl Carbenes Through Ring-Expansion of 1,3,5-Trioxane: Rapid Access to Nine-Membered 1,3,5,7-Trioxazonines

scientific article published on 01 July 2016

Development of a Second Generation Palladium Catalyst System for the Aminocarbonylation of Aryl Halides with CO and Ammonia

scientific article published on 29 July 2010

Development of efficient palladium catalysts for alkoxycarbonylation of alkenes

article

Direct synthesis of adipic acid esters via palladium-catalyzed carbonylation of 1,3-dienes

scientific article published on 19 December 2019

Discrete iron complexes for the selective catalytic reduction of aromatic, aliphatic, and α,β-unsaturated aldehydes under water-gas shift conditions

scientific article published on 09 November 2012

Efficient Copper(II)‐Catalyzed Transamidation of Non‐Activated Primary Carboxamides and Ureas with Amines ⬇️

scientific article published on 07 March 2012

Efficient Palladium-Catalyzed Synthesis of 2-Aryl Propionic Acids

scientific article published on 28 July 2020

Efficient palladium-catalyzed double carbonylation of o-dibromobenzenes: synthesis of thalidomide

scientific article published in 2014

Efficient synthesis of aryl fluorides

scientific article published on 01 March 2010

General and Selective Palladium‐Catalyzed Oxidative Esterification of Alcohols ⬇️

scientific article published on April 27, 2011

Heterogeneous platinum-catalyzed C-H perfluoroalkylation of arenes and heteroarenes

scientific article published on 10 February 2015

Improved Ruthenium‐Catalyzed Amination of Alcohols with Ammonia: Synthesis of Diamines and Amino Esters ⬇️

scientific article published on 05 July 2011

In situ generation of chiral N-dienyl lactams in a multicomponent reaction: an efficient and highly selective way to asymmetric amidocyclohexenes

scientific article published on 01 June 2007

Lewis acid-catalyzed oxidation of benzylamines to benzamides

scientific article published in 2012

Manganese-catalyzed selective C-H activation and deuteration by means of a catalytic transient directing group strategy

scientific article published on 07 January 2021

Novel C-H functionalization of arenes: palladium-catalyzed synthesis of diaryl sulfides

scientific article published on 25 January 2011

Palladium catalysts for the formylation of vinyl triflates to form alpha,beta-unsaturated aldehydes

scientific article published on 01 January 2008

Palladium-Catalyzed Carbonylation Reaction of Aryl Bromides with 2-Hydroxyacetophenones to Form Flavones

scientific article published on 24 August 2012

Palladium-Catalyzed Carbonylation of 2-Bromoanilines with 2-Formylbenzoic Acid and 2-Halobenzaldehydes: Efficient Synthesis of Functionalized Isoindolinones

scientific article published on 11 September 2014

Palladium-Catalyzed Carbonylative Coupling of Aryl Iodides and Benzyl Acetylenes to 3-Alkylidenefuran-2-ones under Mild Conditions and Its Density Functional Theory Modeling

scientific article published on 16 October 2012

Palladium-Catalyzed Carbonylative Dimerization of Styrenes to 1,5-Diarylpent-1-en-3-ones

scientific article published on 19 January 2012

Palladium-Catalyzed Carbonylative Heck Reaction of Aryl Bromides with Vinyl Ethers to 3-Alkoxy Alkenones and Pyrazoles

scientific article published on 15 March 2012

Palladium-Catalyzed Carbonylative Negishi-type Coupling of Aryl Iodides with Benzyl Chlorides

scientific article published on 11 October 2011

Palladium-Catalyzed Carbonylative Synthesis of Quinazolinones from 2-Aminobenzamide and Aryl Bromides

scientific article published on 23 August 2013

Palladium-Catalyzed Carbonylative [3+2+1] Annulation ofN-Aryl-Pyridine-2-Amines with Internal Alkynes by CH Activation: Facile Synthesis of 2-Quinolinones

scientific article published on 11 September 2014

Palladium-Catalyzed Coupling Reactions: Carbonylative Heck Reactions To Give Chalcones

scientific article published on 22 June 2010

Palladium-Catalyzed Hydroamidocarbonylation of Olefins to Imides

scientific article published on 23 July 2015

Palladium-Catalyzed Oxidative Carbonylative Coupling Reactions of Arylboronic Acids with Styrenes to Chalcones under Mild Aerobic Conditions

scientific article published on 20 September 2011

Palladium-Catalyzed Reductive Carbonylation of Aryl Bromides with Phosphinite Ligands

scientific article published on 11 July 2012

Palladium-Catalyzed Synthesis of Phthalazinones: Efficient Carbonylative Coupling of 2-Bromobenzaldehydes and Hydrazines

scientific article published on 15 June 2012

Palladium-Catalyzed Synthesis of Substituted Hydantoins-A New Carbonylation Reaction for the Synthesis of Amino Acid Derivatives

scientific article published on 01 May 1999

Palladium-catalysed carbonylative α-arylation of acetone and acetophenones to 1,3-diketones

scientific article published on 01 September 2013

Palladium-catalysed hydroamidocarbonylation of 1,3-dienes

scientific article published on 12 May 2016

Palladium-catalyzed Sonogashira reactions of aryl amines with alkynes via in situ formation of arenediazonium salts

scientific article published in 2011

Palladium-catalyzed carbonylations of aryl bromides using paraformaldehyde: synthesis of aldehydes and esters

scientific article published on 28 July 2014

Palladium-catalyzed carbonylative coupling of benzyl chlorides with terminal alkynes to give 1,4-diaryl-3-butyn-2-ones and related furanones

scientific article published in 2011

Palladium-catalyzed carbonylative α-arylation to β-ketonitriles

scientific article published on 01 July 2014

Palladium-catalyzed hydroxylation of aryl halides under ambient conditions

scientific article published on 01 January 2009

Palladium-catalyzed oxidative carbonylative coupling of arylboronic acids with terminal alkynes to alkynones

scientific article published in 2014

Palladium-catalyzed synthesis of isoindoloquinazolinones via dicarbonylation of 1,2-dibromoarenes

scientific article published in 2014

Pd-catalyzed synthesis of α,β-unsaturated ketones by carbonylation of vinyl triflates and nonaflates

scientific article published on 03 May 2019

Recyclable Catalysts for Palladium-Catalyzed CO Coupling Reactions, Buchwald-Hartwig Aminations, and Sonogashira Reactions

scientific article published on 15 October 2010

Recyclable Catalysts for Palladium‐Catalyzed Aminations of Aryl Halides ⬇️

scientific article published on July 29, 2011

Regioselective ruthenium-catalyzed carbonylative direct arylation of five-membered and condensed heterocycles

scientific article published on 12 February 2014

Regioselective synthesis of 2,3-dihydrobenzodioxepinones from epoxides and 2-bromophenols via palladium-catalyzed carbonylation

scientific article published in 2014

Rhodium(II)-Catalyzed Annulation of Azavinyl Carbenes Through Ring-Expansion of 1,3,5-Trioxane: Rapid Access to Nine-Membered 1,3,5,7-Trioxazonines

scientific article published on 14 September 2015

Ruthenium-Catalyzed Selective α,β-Deuteration of Bioactive Amines ⬇️

scientific article published on July 12, 2012

Ruthenium-Catalyzed Site-Selective Trifluoromethylations and (Per)Fluoroalkylations of Anilines and Indoles

scientific article published on 26 March 2020

Ruthenium-catalyzed carbonylative C-C coupling in water by directed C-H bond activation.

scientific article published on 29 April 2013

Ruthenium-catalyzed synthesis of indoles from anilines and epoxides

scientific article published on 23 January 2014

Selective Palladium-Catalyzed Aminocarbonylation of Aryl Halides with CO and Ammonia

scientific article published on 17 August 2010

Selective nickel-catalyzed fluoroalkylations of olefins

scientific article published on 19 November 2020

Synthesis and antimicrobial activity of N-analogous corollosporines

scientific article published on 28 February 2006

Synthesis of Primary Amines from Secondary and Tertiary Amines: Ruthenium‐Catalyzed Amination Using Ammonia ⬇️

scientific article published on 04 April 2011

Synthesis of new N-analogous corollosporine derivatives with antibacterial activity by laccase-catalyzed amination.

scientific article published in June 2008

Synthesis of nitriles from amines using nanoscale Co3O4-based catalysts via sustainable aerobic oxidation

scientific article published on 11 March 2016

Synthesis of α,β-unsaturated carbonyl compounds by carbonylation reactions

scientific article published on 07 April 2020

Synthesis of α‐Amino Acid Amides: Ruthenium‐Catalyzed Amination of α‐Hydroxy Amides ⬇️

scientific article published on October 10, 2011

The role of allyl ammonium salts in palladium-catalyzed cascade reactions towards the synthesis of spiro-fused heterocycles

scientific article published on 23 October 2020

The scope and mechanism of palladium-catalysed Markovnikov alkoxycarbonylation of alkenes.

scientific article published on 5 September 2016

Three-component reactions with (S)-methyl pyroglutamate: an efficient way to diversely substituted asymmetric amidocyclohexenes

scientific article published on 01 June 2007

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