Search filters

List of works by Norbert Hoffmann

5.06 Di-π-methane, Oxa-di-π-methane, and Aza-di-π-methane Photoisomerization

Acid catalyzed intramolecular [2+2] photocycloaddition of 3,5-dihydroxybenzoic acid derivatives

Acid catalyzed intramolecular photochemical reactions of 3-alkenyloxyphenols

Aromatic Photochemical Reactions

Bäckerhefe - ein lebendes Reagens für die organisch-chemische Synthese

Chapter 4. Direct Photolysis Processes

Chemical Photocatalysis. Edited by Burkhard König

scholarly article by Norbert Hoffmann published 17 September 2013 in Angewandte Chemie International Edition

Chiral induction in photochemical reactions - 15

Chiral induction in photochemical reactions-XII. Synthesis of chiral cyclobutane derivatives from (+)-5-menthyloxy-2-[5H]-furanone and ethylene

Chiral induction in photochemical reactions. 10. The principle of isoinversion: a model of stereoselection developed from the diastereoselectivity of the Paterno-Buechi reaction

scientific article published in 1989

Chiral induction in photochemical reactions. 14

Chlorodifluoromethyl-substituted monosaccharide derivatives—radical activation of the carbon–chlorine-bond

scientific article published on 20 September 2006

Combining Photoredox and Metal Catalysis

Development of agriculture left-overs: fine organic chemicals from wheat hemicellulose-derived pentoses

scientific article published on January 2010

Efficient and diastereoselective synthesis of (+)- and (−)-grandisol and 2-[(1R,2S)-2-isopropenylcyclobutyl]ethanol (demethylgrandisol) in high purity

Efficient photochemical electron transfer sensitization of homogeneous organic reactions

article

Efficient radical addition of tertiary amines to alkenes using photochemical electron transfer

article

Efficient radical addition of tertiary amines to electron-deficient alkenes using semiconductors as photochemical sensitisers

article

Electron and hydrogen transfer in organic photochemical reactions

article

Fast and efficient DMSO-mediated dehydration of carbohydrates into 5-hydroxymethylfurfural

Formation of a Four-Membered Ring

From 'Lab & Light on a Chip' to Parallel Microflow Photochemistry

Highly Efficient and Stereoselective Radical Addition of Tertiary Amines to Electron-Deficient Alkenes − Application to the Enantioselective Synthesis of Necine Bases

article

Highly diastereoselective addition of photochemically generated radicals to (5R)-(−)-menthyloxy-2[5H]-furanone - synthesis of(−)-terebic acid

article

Highly efficient photochemical addition of tertiary amines to electron deficient alkenes. Diastereoselective addition to (5R)-5-menthyloxy-2[5H]-furanone

article

Homogeneous Photocatalysis with Organometallic Compounds

Homogeneous Photocatalytic Reactions with Organometallic and Coordination Compounds—Perspectives for Sustainable Chemistry

scientific article published on January 27, 2012

Hydrogen Sulfide Reactivity with Thiols in the Presence of Copper(II) in Hydroalcoholic Solutions or Cognac Brandies: Formation of Symmetrical and Unsymmetrical Dialkyl Trisulfides

Intramolecular Photochemical Reactions of Bichromophoric 3-(Alkenyloxy)phenols and 1-(Alkenyloxy)-3-(alkyloxy)benzene Derivatives. Acid-Catalyzed Transformations of the Primary Cycloadducts

article published in 1997

Intramolecular photochemical reactivity of O-alk-3-enylsalicylic esters

Isomerization of d-glucose into d-fructose with a heterogeneous catalyst in organic solvents

Manufacture of decyl pentosides surfactants by wood hemicelluloses transglycosidation: A potential pretreatment process for wood biomass valorization

scholarly article in Industrial Crops and Products, vol. 58, July 2014

Microflow Photochemistry - Acetone sensitized Addition of Isopropanol to (5R)-5-Menthyloxy-2-(5H)-furanone

article

Microphotochemistry: a reactor comparison study using the photosensitized addition of isopropanol to furanones as a model reaction.

scientific article

NaBr/DMSO-Induced Synthesis of 2,5-Diformylfuran from Fructose or 5-(Hydroxymethyl)furfural

New photochemical rearrangements and extrusion reactions of aromatic compounds induced by an intramolecular [2+2] photocycloaddition between a naphthalene and a resorcinol moiety

Novel [2 + 2] photocycloaddition-induced rearrangement of bichromophoric naphthalene-tethered resorcinol ethers

scientific article

On the decarboxylation of 2-methyl-1-tetralone-2-carboxylic acid – oxidation of the enol intermediate by triplet oxygen

One or More CC Bond(s) Formed by Substitution: Substitution of Chalcogen

Optical and photophysical properties of anisole- and cyanobenzene-substituted perylene diimides

scientific article published on 01 February 2016

Optical resolution of alltrans-2,3,4,5-tetramethylcyclo-pentanone and determination of the configuration of the laevorotatory enantiomer

Organic field effect transistor based on a novel soluble pentacene precursor and operating at low voltages

article

Origin of chiral induction in radical reactions with the diastereoisomers (5R)- and (5S)-5-l-menthyloxyfuran-2[5H]-one

scientific article published in March 2004

Parallel microflow photochemistry: process optimization, scale-up, and library synthesis

scientific article

Photocatalysis applied to organic synthesis – A green chemistry approach

article

Photocatalysis with TiO2 Applied to Organic Synthesis

article

Photochemical Cycloaddition between Benzene Derivatives and Alkenes

Photochemical Electron Transfer Mediated Addition of Naphthylamine Derivatives to Electron-Deficient Alkenes

scientific article published on 10 August 2011

Photochemical Electron and Hydrogen Transfer in Organic Synthesis: The Control of Selectivity

article

Photochemical Key Steps in Organic Synthesis

article

Photochemical Reactions as Key Steps in Organic Synthesis

article

Photochemical [2+2] cycloaddition of cyclicenones to(5R)-5-menthyloxy-2[5H]-furanone

Photochemical key steps in the synthesis of surfactants from furfural-derived intermediates

scientific article published in January 2009

Photochemical reactions applied to the synthesis of helicenes and helicene-like compounds

article published in 2014

Photochemical reactions of 2,6-bis(trimethylsilyl)-4H-pyran with α-ketoesters

Photochemical reactions of aromatic compounds and the concept of the photon as a traceless reagent

scientific article published on 01 November 2012

Photochemically Induced Intramolecular Radical Cyclization Reactions with Imines

scientific article published on 15 January 2018

Photochemically Induced Proton Transfers Reactions

Photochemically induced radical addition of tertiary amines to C=C and C=O double bonds: A green chemistry contribution to organic synthesis

article

Photochemically induced radical reactions with furanones

Photoinduced electron transfer from N-methylpyrrolidine to ketones and radical addition to an electron-deficient alkene

article

Photoinduced-Electron-Transfer Chemistry: From Studies on PET Processes to Applications in Natural Product Synthesis

scientific article published on 27 January 2007

Photoorganocatalysed and visible light photoredox catalysed trifluoromethylation of olefins and (hetero)aromatics in batch and continuous flow

scientific article published on 06 January 2016

Photosensitization and Photocatalysis—Perspectives in Organic Synthesis

article

Photosensitized addition of isopropanol to furanones in a 365 nm UV-LED microchip

scientific article published on 8 October 2010

Photosensitized addition of isopropanol to furanones in a continuous-flow dual capillary microreactor

article

Phototransformation of tetrazoline oxime ethers – part 2: theoretical investigation

scholarly article in RSC Advances, vol. 6 no. 68, 2016

Phototransformation of tetrazoline oxime ethers: photoisomerization vs. photodegradation

scholarly article in RSC Advances, vol. 6 no. 7, 2016

Proton-Coupled Electron Transfer in Photoredox Catalytic Reactions

Rearrangement and photolysis of aziridines in the aspidosperma series

Selective Light Supported Oxidation of Hexoses Using Air as Oxidant – Synthesis of Tetrahydroxyazepanes

Selective and sensitive detection of pectin lyase activity using a colorimetric test: application to the screening of microorganisms possessing pectin lyase activity

scientific article published in April 2001

Semiconductors as sensitisers for the radical addition of tertiary amines to electron deficient alkenes

article

Simple efficient one-pot synthesis of 5-hydroxymethylfurfural and 2,5-diformylfuran from carbohydrates

article published in 2016

Stereoselective intermolecular addition of ketyl radicals generated from ketones by photoinduced electron transfer

article

Stereoselective radical addition of tertiary amines to (5R)-5-menthyloxy-2[5H]-furanone: Application to the enantioselective synthesis of (−)-isoretronecanol and (+)-laburnine

article

Stereoselective radical-tandem reaction of aniline derivatives with (5R)-5-menthyloxy-2,5-dihydrofuran-2-one initiated by photochemical induced electron transfer

Stereoselective triplet-sensitised radical reactions of furanone derivatives

scientific article published in March 2010

Studies in organic and physical photochemistry - an interdisciplinary approach

scientific article

Substituent Effects on Two-Center Three-Electron Bonds and Hydrogen Bonds Involving Unsaturated Organic Functional Groups and an Ammonia Radical Cation-The Resonance Contribution

scientific article published on 01 May 2000

Sulfonated surfactants obtained from furfural

Sulfoxides and sulfones as solvents for the manufacture of alkyl polyglycosides without added catalyst

Synthesis and Characterisation of 1,7-Di- and Inherently Chiral 1,12-Di- and 1,6,7,12-Tetraarylperylenetetracarbox-3,4:9,10-diimides

Synthesis and characterization of 1,7-disubstituted and 1,6,7,12-tetrasubstituted perylenetetracarboxy-3,4:9,10-diimide derivatives

article published in 2010

Synthesis of a Thymidine-Derived Acylsilane: A New Synthetic Intermediate towards Thymidine Analogues

Synthesis of cyclobutanetricarboxylic acid derivatives via intramolecular [2+2] photocycloaddition

article published in 1997

Synthesis of surfactants from furfural derived 2[5H]-furanone and fatty amines

Synthetic Radical Photochemistry

The Isoinversion Principle—a General Model of Chemical Selectivity

article by Helmut Buschmann et al published May 1991 in Angewandte Chemie International Edition

The Paternò-Büchi reaction—Mechanisms and application to organic synthesis

article

The structure of electronically excited α,β-unsaturated lactones

The temperature dependence of the diastereoselective reduction of 2-t-butylcyclohexanone with diisobutyl-aluminium-2,6-di-t-butyl-4-methylphenoxide

Thiocarbonyl compounds as regulating reagent in the radical addition of tertiary amines with alkenes using photoelectron transfer conditions

article

Three-Electron Binding between Carbonyl-like Compounds and Ammonia Radical Cation. Comparison with the Hydrogen Bonded Complex

scientific article published in 1999

Visible Light-Accelerated Depolymerisation of Starch Under Fenton Conditions and Preparation of Calcium Sequestering Compounds

scholarly article by Caroline Laugel et al published 15 August 2014 in Catalysis Letters

β-Amino acid derived gemini surfactants from diformylfuran (DFF) with particularly low critical micelle concentration (CMC)