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List of works by Norbert Sewald

(R)- α -Aminoadipic Acid: A Versatile Precursor for the Synthesis of D-Amino Acids

scientific article published on 10 October 2013

1,4-Disubstituted 1-1,2,3-Triazole Containing Peptidotriazolamers: A New Class of Peptidomimetics With Interesting Foldamer Properties

scientific article published on 26 March 2019

1,5-Disubstituted 1,2,3-Triazole-Containing Peptidotriazolamers: Design Principles for a Class of Versatile Peptidomimetics

scientific article published on 21 November 2017

6-Alkynyl- and 6-Aryl-Substituted (R)-Pipecolic Acid Derivatives

scientific article published on 29 May 2013

A High-Throughput Fluorescence Assay to Determine the Activity of Tryptophan Halogenases

scientific article

A New Aromatic Amide from the Roots of Zanthoxylum tessmannii (Rutaceae)

scientific article published on 05 March 2019

A New Strategy for the Synthesis of α-Difluoromethyl-Substituted α-Hydroxy and α-Amino Acids

scientific article published in January 1996

A helical RGD motif promoting cell adhesion: crystal structures of the Helicobacter pylori type IV secretion system pilus protein CagL

scientific article

A new xanthone derivative from twigs of Garcinia nobilis

scientific article published on 4 April 2014

A rotameric tryptamide alkaloid from the roots of Vepris lecomteana (Pierre) Cheek & T. Heller (Rutaceae)

scientific article published on 01 April 2019

A two step synthesis of a key unit B precursor of cryptophycins by asymmetric hydrogenation

scientific article published on 22 February 2011

ADAM8 as a drug target in pancreatic cancer.

scientific article

Acidic peptides acting as growth modifiers of calcite crystals

scientific article

Amber-Compatible Parametrization Procedure for Peptide-like Compounds: Application to 1,4- and 1,5-Substituted Triazole-Based Peptidomimetics

scientific article published on 7 November 2017

Amides from the stem bark of Fagara macrophylla

scientific article

An RGD helper sequence in CagL of Helicobacter pylori assists in interactions with integrins and injection of CagA

scientific article

An improved method for the solution cyclization of peptides under pseudo-high dilution conditions

scientific article published in August 2004

Anthraquinones from the stem bark of Stereospermum zenkeri with antimicrobial activity.

scientific article published on 17 May 2007

Anti-inflammatory activity of benzophenone and xanthone derivatives isolated from Garcinia (Clusiaceae) species

scientific article published in December 2015

Anti-plasmodial and cholinesterase inhibiting activities of some constituents of Psorospermum glaberrimum ⬇️

scientific article published on February 2008

Antibacterial and Mode of Action of Extracts from Endophytic Fungi Derived from <i>Terminalia mantaly</i>, <i>Terminalia catappa</i>, and <i>Cananga odorata</i>

scientific article published on 15 July 2021

Antibacterial and antioxidant xanthones and benzophenone from garcinia smeathmannii

scientific article published on 23 March 2015

Antibacterial endiandric acid derivatives from Beilschmiedia anacardioides

scientific article

Antibacterial secotirucallane triterpenes from the stem bark of Pseudocedrela kotschyi

scientific article

Antibiotic and cytotoxic peptides ⬇️

scientific article published on July 24, 2012

Antibody-drug conjugates in tumor therapy.

scientific article published on March 2012

Antifreeze glycopeptide analogues: microwave-enhanced synthesis and functional studies

scientific article published on 23 January 2009

Antifreeze glycopeptide diastereomers

scientific article published on October 2012

Antifreeze glycopeptides: from structure and activity studies to current approaches in chemical synthesis

scientific article (publication date: February 2017)

Antimicrobial Abietane-Type Diterpenoids from Plectranthus punctatus.

scientific article

Antimicrobial Furoquinoline Alkaloids from Vepris lecomteana (Pierre) Cheek & T. Heller (Rutaceae).

scientific article published on 21 December 2017

Antimicrobial and antioxidant effects of phenolic constituents from Klainedoxa gabonensis

scientific article published on October 2010

Antimicrobial triterpenes from the stem bark of Crossopteryx febrifuga.

scientific article

Antiparasitic Constituents of Beilschmiedia louisii and Beilschmiedia obscura and Some Semisynthetic Derivatives (Lauraceae)

scientific article published on 21 June 2020

Antiplasmodial Properties and Cytotoxicity of Endophytic Fungi from Symphonia globulifera (Clusiaceae).

scientific article

Antiplasmodial sesquiterpenes from the seeds of Salacia longipes var. camerunensis

scientific article published on 14 July 2013

Approaches for the Synthesis of Functionalized Cryptophycins

scientific article published on 15 October 2010

Asymmetric synthesis of propargylamines as amino acid surrogates in peptidomimetics.

scientific article published on 15 November 2017

Basic conformers in beta-peptides

scientific article published on 01 August 1999

Binding kinetics of bisintercalator Triostin a with optical tweezers force mechanics.

scientific article

Bio-integrated organic synthesis in industry: Biocatalytic breakthroughs, industrial processes, emerging fields

scientific article published in November 2013

Bioactive 5α-Pregnane-Type Steroidal Alkaloids fromSarcococca hookeriana

scientific article published in August 2008

Bioactive constituents from Manilkara obovata (Sabine & G.Don) J.H.Hemsl

scientific article published on 20 January 2020

Bioactive constituents of the stem bark of Beilschmiedia zenkeri

scientific article published on December 2009

Bioactive secondary metabolites from new endophytic fungus Curvularia. sp isolated from Rauwolfia macrophylla

scientific article published on 27 June 2019

Bioactive steroidal alkaloids from Sarcococca hookeriana.

scientific article published on 25 February 2010

Bioactiveβ-indoloquinazoline Alkaloids fromOricia renieri ⬇️

scientific article published on September 16, 2011

Bromination of L-tryptophan in a Fermentative Process With Corynebacterium glutamicum

scientific article published on 18 September 2019

Bruceadysentoside A, a new pregnane glycoside and others secondary metabolites with cytotoxic activity from brucea antidysenterica J. F. Mill. (simaroubaceae)

scientific article published on 21 August 2019

Carbohydrate mimics promote functional recovery after peripheral nerve repair

scientific article published on 6 September 2006

Chemical Composition and Synergistic Antimicrobial Effects of a Vegetatively Propagated Cameroonian Lemon, <i>Citrus x limon</i> (L.) Osbeck

scientific article published in 2021

Chemical constituents from the bark of the Cameroonian mahogany Trichilia emetica Vahl (Meliaceae)

scientific article published in 2019

Chemical constituents of Mussaenda erythrophylla Schumach. & Thonn. (Rubiaceae) and their chemophenetic significance

scientific article published in 2021

Chemical tools for activity-based proteomics.

scientific article

Cholinesterase inhibiting and antiplasmodial steroidal alkaloids from Sarcococca hookeriana. ⬇️

scientific article published on September 2007

Compounds from Terminalia mantaly L. (Combretaceae) Stem Bark Exhibit Potent Inhibition against Some Pathogenic Yeasts and Enzymes of Metabolic Significance

scientific article published on 24 January 2017

Conformational Flexibility of Glycosylated Peptides

scientific article published on 16 September 2011

Conjugate Addition of Mixed Diorganozinc Compounds and Functionalized Organozinc Cuprates to Nitroolefins

scientific article published in September 2002

Conjugates of Cryptophycin and RGD or isoDGR Peptidomimetics for Targeted Drug Delivery

scientific article published on 07 June 2019

Constituents from Nauclea latifolia with Anti-Haemophilus influenzae Type b Inhibitory Activities

scientific article published on 20 August 2019

Constituents of the Stem Bark of Trichilia monadelpha (Thonn.) J. J. De Wilde (Meliaceae) and Their Antibacterial and Antiplasmodial Activities ⬇️

scientific article published on 17 February 2023

Conversion of Serine-Type Aldehyde Tags by the Radical SAM Protein AtsB from Methanosarcina mazei

scientific article published on 18 July 2019

Cooperative binding of PhoB(DBD) to its cognate DNA sequence-a combined application of single-molecule and ensemble methods

scientific article

Coumamarin: a first coumarinyl calcium complex isolated from nature

scientific article published on 09 July 2019

Cryptophycins: cytotoxic cyclodepsipeptides with potential for tumor targeting.

scientific article published on 29 June 2017

Crystal and mol-ecular structure of aflatrem

scientific article published on 17 October 2015

Crystal structure and configuration revision of 9-hydroxy-7,8-dehydro-sarcotrocheliol and sarcotrocheliol

scientific article published on 02 January 2019

Crystal structure of obscurine: a natural product isolated from the stem bark of B. obscura

scientific article published on 10 June 2015

Cyclic RGD and <i>iso</i>DGR Integrin Ligands Containing <i>cis</i>-2-amino-1-cyclopentanecarboxylic (<i>cis</i>-β-ACPC) Scaffolds

scientific article published on 16 December 2020

Cyclic RGD peptides interfere with binding of the Helicobacter pylori protein CagL to integrins αVβ3 and α5β1.

scientific article published on 14 September 2011

Cyclization of RGD Peptides by Suzuki-Miyaura Cross-Coupling

scientific article published on 05 August 2019

Cytotoxic Compounds from Aloe megalacantha

scientific article published on 7 July 2017

Cytotoxic Stilbenes and Canthinone Alkaloids from Brucea antidysenterica (Simaroubaceae)

scientific article published on 03 December 2019

Cytotoxicity of a new tirucallane derivative isolated from Stereospermum acuminatissimum K. Schum stem bark

scientific article published on 03 February 2020

Cytotoxicity, Antimicrobial, and <i>In Silico</i> Studies of Secondary Metabolites From <i>Aspergillus sp</i>. Isolated From <i>Tecoma stans</i> (L.) Juss. Ex Kunth Leaves

scientific article published on 13 October 2021

Distinct roles of secreted HtrA proteases from gram-negative pathogens in cleaving the junctional protein and tumor suppressor E-cadherin

scientific article published on 15 February 2012

Diverse polyketides and alkaloids from Penicillium sp. KHMM: structural elucidation, biological and molecular docking studies

scientific article published on 01 May 2019

EGFR-Binding Peptides: From Computational Design towards Tumor-Targeting of Adeno-Associated Virus Capsids

scientific article published on 15 December 2020

Editorial to the Special Issue Foldamers

scientific article published on 7 June 2011

Effector-stimulated single molecule protein-DNA interactions of a quorum-sensing system in Sinorhizobium meliloti.

scientific article

Efficient and Versatile Stereoselective Synthesis of Cryptophycins

scientific article published on 5 August 2005

Efficient synthesis of cryptophycin-52 and novel para-alkoxymethyl unit A analogues

scientific article published on October 2009

Efficient, racemization-free peptide coupling of N-alkyl amino acids by using amino acid chlorides generated in situ--total syntheses of the cyclopeptides cyclosporin O and omphalotin A.

scientific article published in December 2002

Endiandric Acid Derivatives and Other Constituents of Plants from the Genera Beilschmiedia and Endiandra (Lauraceae).

scientific article published in January 2015

Enzymatic Halogenation: A Timely Strategy for Regioselective C-H Activation

scientific article published on 2 May 2017

Enzymatic halogenation of tryptophan on a gram scale

scientific article

Ergostane-type steroids from the Cameroonian 'white tiama' Entandrophragma angolense

scientific article published on 23 January 2020

Erratum to: Antifreeze glycopeptides: from structure and activity studies to current approaches in chemical synthesis.

scientific article

Erratum: In Vivo Antitumor Activity of a Novel Acetazolamide-Cryptophycin Conjugate for the Treatment of Renal Cell Carcinoma

scientific article published on 05 December 2018

Evaluation of sulfatase-directed quinone methide traps for proteomics ⬇️

scientific article published on April 24, 2011

Expression, characterization, and site-specific covalent immobilization of an L-amino acid oxidase from the fungus Hebeloma cylindrosporum

scientific article published on 11 January 2019

Flavin‐Dependent Halogenases from Xanthomonas campestris pv. campestris B100 Prefer Bromination over Chlorination

Fluorogenic Diversification of Unprotected Bromotryptophan by Aqueous Mizoroki-Heck Cross-Coupling

scientific article published on 01 April 2019

Formylglycine-Generating Enzymes for Site-Specific Bioconjugation

scientific article published on 01 February 2019

Glycomimetic Cyclic Peptides Stimulate Neurite Outgrowth

scientific article published on 6 October 2006

Helicobacter exploits integrin for type IV secretion and kinase activation

scientific article

Helicobacter pylori HtrA is a new secreted virulence factor that cleaves E-cadherin to disrupt intercellular adhesion

scientific article published on 3 September 2010

Highly potent inhibitors of human cathepsin L identified by screening combinatorial pentapeptide amide collections

scientific article

Hydroethanolic Extract from <i>Bridelia atroviridis</i> Müll. Arg. Bark Improves Haematological and Biochemical Parameters in Nicotinamide-/Streptozotocin-Induced Diabetic Rats

scientific article published on 25 November 2020

Ice recrystallization kinetics in the presence of synthetic antifreeze glycoprotein analogues using the framework of LSW theory.

scientific article published in March 2009

In Vivo Antitumor Activity of a Novel Acetazolamide-Cryptophycin Conjugate for the Treatment of Renal Cell Carcinomas

article published in 2018

Inhibitor-based affinity probes for the investigation of JAK signaling pathways

scientific article published on 9 May 2015

Inside Cover: Modular Combination of Enzymatic Halogenation of Tryptophan with Suzuki-Miyaura Cross-Coupling Reactions (ChemCatChem 10/2016)

scientific article published on 20 May 2016

Isoshamixanthone: a new pyrano xanthone from endophytic Aspergillus sp. ASCLA and absolute configuration of epiisoshamixanthone

scientific article published on 19 January 2019

Late-Stage Diversification of Tryptophan-Derived Biomolecules

scientific article published on 22 September 2019

Leishmanicidal and cholinesterase inhibiting activities of phenolic compounds from Allanblackia monticola and Symphonia globulifera. ⬇️

scientific article published on 20 July 2007

Metabolic engineering of Corynebacterium glutamicum for the fermentative production of halogenated tryptophan

scientific article published on 20 December 2018

Microbial Transformation of the Steroidal Alkaloid Dictyophlebine by Rhizopus stolonifer ⬇️

scientific article published in 2007

Minor groove recognition is important for the transcription factor PhoB: a surface plasmon resonance study.

scientific article

Molecular mechanisms and kinetics between DNA and DNA binding ligands

scientific article

Molecular tools for metalloprotease sub-proteome generation

scientific article published on 12 December 2006

N-Acetylborrelidin B: a new bioactive metabolite from Streptomyces mutabilis sp. MII.

scientific article

Novel unit B cryptophycin analogues as payloads for targeted therapy.

scientific article published in June 2018

O-prenylated acridone alkaloids from the stems of Balsamocitrus paniculata (Rutaceae).

scientific article published on 17 January 2011

Octreotide Conjugates for Tumor Targeting and Imaging

scientific article published on 07 May 2019

One-Pot Azidochlorination of Glycals

scientific article published on 18 February 2011

One-step process for production of N-methylated amino acids from sugars and methylamine using recombinant Corynebacterium glutamicum as biocatalyst

scientific article published in Scientific Reports

Organische Chemie 2005

Oriented attachment explains cobalt ferrite nanoparticle growth in bioinspired syntheses

scientific article published on 28 February 2014

Oxidative Burst Inhibitory and Cytotoxic Activity of Constituents of the Fruits of Odyendyea gabonensis ⬇️

scientific article published on November 7, 2012

Oxidative burst inhibition, cytotoxicity and antibacterial acriquinoline alkaloids from Citrus reticulate (Blanco).

scientific article published on 11 December 2015

Oxidative burst inhibitory and cytotoxic amides and lignans from the stem bark of Fagara heitzii (Rutaceae).

scientific article

Oxidative burst inhibitory and cytotoxic indoloquinazoline and furoquinoline alkaloids from Oricia suaveolens

scientific article

Penicisteroid C: New polyoxygenated steroid produced by co-culturing of Streptomyces piomogenus with Aspergillus niger

scientific article published in October 2018

Pentapeptides containing two dehydrophenylalanine residues--synthesis, structural studies and evaluation of their activity towards cathepsin C.

scientific article published in October 2008

Peptide modification by incorporation ofα-trifluoromethyl substituted amino acids.

scientific article published on September 1996

Peptide modification by introduction of?-trifluoromethyl substituted amino acids

scientific article published in 1995

Photocontrolled DNA minor groove interactions of imidazole/pyrrole polyamides

scientific article published on 09 January 2020

Physicochemical and biological characterization of chitosan-microRNA nanocomplexes for gene delivery to MCF-7 breast cancer cells ⬇️

scientific article

Phytochemistry and pharmacology of the genus Drypetes: A review

scientific article published on 25 June 2016

Probing DNA-peptide interaction forces at the single-molecule level.

scientific article published on December 2006

Probing SH2-domains using Inhibitor Affinity Purification (IAP).

scientific article published on 16 July 2014

Proteolytically stable peptides by incorporation of α-Tfm amino acids ⬇️

scientific article published on 01 May 1997

Real-Time Analysis of Specific Protein-DNA Interactions with Surface Plasmon Resonance ⬇️

scientific article published on February 28, 2012

Real-Time BODIPY-Binding Assay To Screen Inhibitors of the Early Oligomerization Process of Aβ1-42 Peptide

scientific article published on 08 November 2019

Remarkable Modulation of Self-Assembly in Short γ-Peptides by Neighboring Ions and Orthogonal H-Bonding.

scientific article published on 7 June 2017

Reverse engineering of an affinity-switchable molecular interaction characterized by atomic force microscopy single-molecule force spectroscopy

scientific article published on 7 December 2007

Reversible photoswitching of the DNA-binding properties of styrylquinolizinium derivatives through photochromic [2 + 2] cycloaddition and cycloreversion

scientific article published on 23 January 2020

Review and outlook: from single nanoparticles to self-assembled monolayers and granular GMR sensors. ⬇️

scientific article

Secondary metabolites from Penicillium sp. 8PKH isolated from deteriorated rice straws

scientific article published on 01 November 2019

Secondary structure inducing potential of beta-amino acids: torsion angle clustering facilitates comparison and analysis of the conformation during MD trajectories.

scientific article published in January 2007

Senegalin, a new phenylpropanoid and other secondary metabolites from the stem bark of Ekebergia senegalensis A. Juss. (Meliaceae)

scientific article published on 24 February 2020

Short and Efficient Synthesis of Cryptophycin Unit A

scientific article published in March 2007

Single molecule force spectroscopy on ligand-DNA complexes: from molecular binding mechanisms to biosensor applications.

scientific article published in August 2004

Single-molecule experiments in synthetic biology: an approach to the affinity ranking of DNA-binding peptides

scientific article published in June 2005

Single-molecule experiments to elucidate the minimal requirement for DNA recognition by transcription factor epitopes

scientific article published in April 2009

Size-Dependent Cellular Uptake of RGD Peptides

scientific article published on 25 October 2019

Solid phase synthesis of an amphiphilic peptide modified for immobilisation at the C-terminus

scientific article

Stereoselective synthesis of?-amino acids via conjugate addition of nitrogen nucleophiles to?,?-unsaturated esters ? Recent advances

scientific article published in 1996

Straightforward Regeneration of Reduced Flavin Adenine Dinucleotide Required for Enzymatic Tryptophan Halogenation

scientific article published on 04 January 2019

Structural properties of cyclic peptides containing cis- or trans-2-aminocyclohexane carboxylic acid

scientific article published on 11 March 2004

Structure activity relationship studies on antileishmanial steroidal alkaloids fromSarcococca hookeriana

scientific article published in April 2007

Structure of a three-dimensional domain-swapped dimer of the Helicobacter pylori type IV secretion system pilus protein CagL

scientific article

Structure of apo flavin-dependent halogenase Xcc4156 hints at a reason for cofactor-soaking difficulties

scientific article published on 30 June 2020

Structure-Activity Relationship of Propargylamine-Based HDAC Inhibitors.

scientific article published on 9 November 2017

Structure-based switch of regioselectivity in the flavin-dependent tryptophan 6-halogenase Thal

scientific article published on 17 December 2018

Synthesis and Biological Characterization of Monomeric and Tetrameric RGD-Cryptophycin Conjugates

scientific article published on 11 February 2020

Synthesis and Biological Evaluation of RGD⁻Cryptophycin Conjugates for Targeted Drug Delivery

scientific article published on 01 April 2019

Synthesis and characterization of natural and modified antifreeze glycopeptides: glycosylated foldamers

scientific article published on 21 May 2011

Synthesis and conformational analysis of efrapeptins

scientific article

Synthesis and conformational preferences of short analogues of antifreeze glycopeptides (AFGP)

scientific article published on 16 July 2019

Synthesis of chemically modified bioactive peptides: recent advances, challenges and developments for medicinal chemistry.

scientific article

Synthesis of novel feruloyl dipeptides with proapoptotic potential against different cancer cell lines

scientific article published on 21 February 2020

Synthesis of photoswitchable amino acids based on azobenzene chromophores: building blocks with potential for photoresponsive biomaterials

scientific article

Synthesis, and structural and biological studies of efrapeptin C analogues.

scientific article published in June 2007

Synthesis, biological activity and molecular modeling study of new Schiff bases incorporated with indole moiety

scientific article

Synthetic Routes towards Enantiomerically Pureβ-Amino Acids

scientific article published on 8 December 2003

Tandem Protocol for the Stereoselective Synthesis of Different Polyfunctional β-Amino Acids and 3-Amino-Substituted Carbohydrates

scientific article published in October 1998

Terpenoid alkaloids of the Buxaceae family with potential biological importance.

scientific article published on 09 April 2008

Terretonin N: A New Meroterpenoid from Nocardiopsis sp. ⬇️

scientific article published on 31 January 2018

Terretonin O: a new meroterpenoid from Aspergillus terreus

scientific article published on 03 January 2019

Tetra-acetylajugasterone a new constituent of Vitex cienkowskii with vasorelaxant activity

scientific article published on 25 March 2014

The constrained amino acid beta-Acc confers potency and selectivity to integrin ligands

scientific article published on January 2007

The first total synthesis of efrapeptin C

scientific article published on 01 November 2002

Total synthesis and biological evaluation of fluorinated cryptophycins ⬇️

scientific article published on November 23, 2012

Tumor-Targeting Peptides: The Functional Screen of Glioblastoma Homing Peptides to the Target Protein FABP3 (MDGI)

scientific article published on 08 July 2020

Tuning the Biological Activity of RGD Peptides with Halotryptophans†

scientific article published on 24 December 2020

Two-fold Bioorthogonal Derivatization by Different Formylglycine-Generating Enzymes

scientific article published on 9 May 2018

VCD studies on cyclic peptides assembled from L-α-amino acids and a trans-2-aminocyclopentane- or trans-2-aminocyclohexane carboxylic acid

scientific article published on November 2010

Why structurally different cyclic peptides can be glycomimetics of the HNK-1 carbohydrate antigen

scientific article

X-ray, structural assignment and molecular docking study of dihydrogeodin from Aspergillus Terreus TM8.

scientific article published in February 2018

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