Medicinal Chemistry - Publikationen

Behnam, M.A.M.*, Klein, C.D.*, Inhibitor potency and assay conditions: A case study on SARS-CoV-2 main protease.
Proceedings of the National Academy of Sciences, Letter, 2021, .


Dražić, T.,  Kühl, N., Gottscheber, N., Hacker, C.N., Klein, C.D.*, The spectrum between substrates and inhibitors: Pinpointing the binding mode of dengue protease ligands with modulated basicity and hydrophobicity.
Bioorganic & Medicinal Chemistry, 2021, 48, 116412.


Behrouz, S.*, Kühl, N., Klein, C.D.* A Facile Approach Towards Amidinophenylalanine Derivatives as Building Blocks for the Synthesis of Non-Natural Peptides and Peptidomimetics.
Tetrahedron Letters, 2021,81, 153342.


Kühl, N., Leuthold, M.M.; Behnam, M., Klein, C.D.* Beyond Basicity: Discovery of Non-Basic DENV-2 Protease Inhibitors with Potent Activity in Cell Culture.
J. Med. Chem., 2021, 64, 4567–4587
 

Drazic,, T., Kühl, N., Leuthold, M.M., Behnam, M.A.M., Klein, C.D.*
Efficiency Improvements and Discovery of New Substrates for a SARS-CoV-2 Main Protease FRET Assay.
SLAS Discovery, 2021, 26, 1189-1199


Hinkes, S.P.A., Kämmerer, S., Klein, C.D.*  Diversity-Oriented Synthesis of Peptide-Boronic Acids by a Versatile Building-Block Approach.
Chemical Science, 2020, 11, 9898 - 9903
 

Kühl, N., Graf, D., Bock, J., Behnam, M.A.M., Leuthold, M.-M., Klein, C.D.* A New Class of Dengue and West Nile Virus Protease Inhibitors with Submicromolar Activity in Reporter Gene DENV‑2 Protease and Viral Replication Assays.
J. Med. Chem., 2020, 63, 15, 8179–8197.
 

van Oosten, L.N.; Klein, C.D.* Machine learning in mass spectrometry: A MALDI-TOF MS approach to phenotypic antibacterial screening.
J. Med. Chem., 2020, 63, 16, 8849–8856.

 

Mauceri, D., Buchthal, B., Hemstedt, T.J., Weiss, U., Klein, C.D., Bading, H.* Nasally delivered VEGFD mimetics mitigate stroke-induced dendrite loss and brain damage.
Proceedings of the National Academy of Sciences, 2020, 202001563


Behnam, M.A.M.*, Klein, C.D.* Conformational selection in the flaviviral NS2B-NS3 protease.
Biochimie, 2020, 174, 117-125


Dražić, T.*, Kopf, S., Corridan, J., Leuthold, M.M., Bertoša, B., Klein, C.D. Peptide-β-lactam inhibitors of dengue and West Nile virus NS2B-NS3 protease display two distinct binding modes.
J. Med. Chem., 2020, 63, 140-156


Dokla, E.M.E.*, Abutaleb, N.S., Milik, S.N., Li, D., Elbaz, K., Shalaby, M.-A.W., Al-Karaki, R., Nasr, M., Klein, C.D., Abouzid, K.A.M., Seleem, M.N.*. Development of benzimidazole-based derivatives as antimicrobial agents and their synergistic effect with colistin against Gram-negative bacteria.
Europ. J. Med. Chem., 2020, 186, 111850


Richter, M., Leuthold, M.M., Graf, D.K., Bartenschlager, R., Klein, C.D.* Prodrug Activation by a Viral Protease: Evaluating Combretastatin Peptide-Hybrids to Selectively Target Infected Cells.
ACS Med. Chem. Lett., 2019, 10, 1115-1121
 

Hinkes, S.P.A., Klein, C.D.* Virtues of Volatility: A Facile Transesterification Approach to Boronic Acids.
Organic Letters, 2019, 21, 3048-3052


Nitsche, C., Passioura, T., Varava, P., Mahawaththa, M., Leuthold, M.M., Klein, C.D., Suga, H., Otting, G.. De Novo Discovery of Nonstandard Macrocyclic Peptides as Non-Competitive Inhibitors of the Zika Virus NS2B-NS3 Protease.
ACS Med. Chem. Lett., 2019, 10, 168-174
 

Jakob, A.K.M.H., Sundermann, T., Klein, C.D.* Backbone modifications in peptidic inhibitors of flaviviral proteases.
Bioorg. Med. Chem. Lett., 2019, 29, 1913-1917


Sundermann, T.R., Benzin, C.V., Dražić, T., Klein, C.D.* Synthesis and structure-activity relationships of small-molecular di-basic esters, amides and carbamates as flaviviral protease inhibitors.
Europ. J. Med. Chem., 2019, 176, 187-194


Richter, M., Boldescu, V., Graf, D.K., Streicher, F., Dimoglo, A., Bartenschlager, R., Klein, C.D.* Synthesis, Biological Evaluation and Molecular Docking of Combretastatin and Colchicine Derivatives and their hCE1‐Activated Prodrugs as Antiviral Agents.
ChemMedChem, 2019, 14, 469-483


Boldescu, V., Behnam, M.A.M., Vasilakis, N., Klein, C.D.* Broad-spectrum agents for flaviviral infections: dengue, Zika and beyond.
Nature Reviews Drug Discovery 2017, 16, 565–586
 

Liang, C., Behnam, M.A.M., Sundermann, T., Klein, C.D.* Phenylglycine racemization in Fmoc-based solid-phase peptide synthesis: Stereochemical stability is achieved by choice of reaction conditions.
Tet. Lett. 2017, 58, 2325-2329


Mahawaththa, M.C., Pearce, B.J.G., Szabo, M., Graham, B., Klein, C.D., Nitsche, C., Otting, G., Solution conformations of a linked construct of the Zika virus NS2B-NS3 protease.
Antiviral Research, 2017, 142 , 141-147


Nitsche, C., Zhang, L., Weigel, L.F., Schilz, J., Graf, D., Bartenschlager, R., Hilgenfeld, R., Klein, C.D.* Peptide-Boronic Acid Inhibitors of Flaviviral Proteases: Medicinal Chemistry and Structural Biology.
J. Med. Chem., 2017, 60, 511–516
Corresponding pdb entry: 5IDK


Lei, J., Hansen, G.,  Nitsche, C., Klein, C.D., Zhang, L., Hilgenfeld, R.* Crystal structure of Zika virus NS2B-NS3 protease in complex with a boronate inhibitor.
Science, 2016, 353, 503-505
Corresponding pdb entry: 5LC0


Behnam, M., Sundermann, T., Klein, C.D.* Solid Phase Synthesis of C-Terminal Boronic Acid Peptides.
Organic Letters, 2016, 18, 2016–2019


Chen, W., Nitsche, C., Pilla, K.B., Graham, B., Huber, T., Klein, C.D., Otting, G.* Sensitive NMR Approach for Determining the Binding Mode of Tightly Binding Ligand Molecules to Protein Targets.
J. Am. Chem. Soc. 2016, 138, 4539–4546
(Information for non-chemists: IF 2014 = 12.1)


Behnam, M., Nitsche, C., Boldescu, V., Klein, C.D.* The Medicinal Chemistry of Dengue Virus.
J. Med. Chem., 2016, 59, 5622-5649
FEATURED as ACS Editors' Choice Article ⇒ OPEN ACCESS


Weng, Z., Shao, X., Graf, D., Wang, C., Klein, C., Wang, J.,* Zhou, G.-C.* Identification of the fused bicyclic derivatives of pyrrolidine and imidazolidinone as dengue virus-2 NS2B-NS3 protease inhibitors.
Eur. J. Med. Chem., 2016, 125, 751-759


Osman, N.A., Ligresti, A., Klein, C.D., Allarà, M., Rabbito, A., Di Marzo, V., Abouzid, K.A.,* Abadi
, A.H. Discovery of novel Tetrahydrobenzo[b]thiophene and pyrrole based scaffolds as potent and selective CB2 receptor ligands: The structural elements controlling binding affinity, selectivity and functionality.
Eur. J. Med. Chem., 2016, 122, 619-634

 

Calcagno, S., Klein, C.D.* N-terminal methionine processing by the zinc-activated Plasmodium falciparum methionine aminopeptidase 1b.
Applied Microbiology and Biotechnology, 2016, 100, 7091-7102

Morgen, M., Joest, C., Malz, M., Janowski, R., Niessing, D., Klein, C.D., Gunkel, N., Miller, A.K. Spiroepoxytriazoles are Fumagillin-like Irreversible Inhibitors of MetAP2 with Potent Cellular Activity.
ACS Chemical Biology, 2016, 11, 1001–1011
 

Behnam, M., Graf, D., Bartenschlager, R., Zlotos, D.P., Klein, C.D.* Discovery of nanomolar dengue and West Nile virus protease inhibitors containing a 4-benzyloxyphenylglycine residue.
J. Med. Chem., 2015, 58, 9354-9370
 

Weigel, L.F., Nitsche, C., Graf, D., Bartenschlager, R., Klein, C.D.* Phenylalanine and Phenylglycine Analogs as Arginine Mimetics in Dengue Protease Inhibitors.
J. Med. Chem., 2015, 58, 7719-7733 


Bastos Lima, A., Behnam, M.A., El Sherif, Y., Nitsche, C., Vechi, S.M.,  Klein, C.D.* Dual inhibitors of the dengue and West Nile virus NS2B-NS3 proteases: Synthesis, biological evaluation and docking studies of novel peptide-hybrids.
Bioorg. Med. Chem., 2015, 17, 5748–5755


Marschner, A., Klein, C.D.* Metal promiscuity and metal-dependent substrate preferences of  Trypanosoma brucei methionine aminopeptidase 1.
Biochimie, 2015, 115, 35–43
 

Nitsche, C., Holloway, S., Schirmeister, T., Klein, C.D.* Biochemistry and Medicinal Chemistry of the Dengue Virus Protease.
Chem. Rev., 2014, 114, 11348–11381. Article graphic used for cover image: Chemical Reviews Cover
(Information for non-chemists: IF 2013 = 41)


Jöst, C., Nitsche, C., Scholz, T., Roux, L., Klein, C.D.* Promiscuity and selectivity in covalent enzyme inhibition: A systematic study of electrophilic fragments.
Journal of Medicinal Chemistry, 2014, 57, 7590.
 

Altmeyer, M., Amtmann, E., Heyl, C., Marschner, A., Scheidig, A.J., Klein, C.D.* Beta-aminoketones as prodrugs for selective irreversible inhibitors of type-1 methionine aminopeptidases.
Bioorg. Med. Chem. Lett., 2014, 24, 5310.
Corresponding pdb entry: 4PNC


Osman, N.A., Mahmoud, A.H., Klein, C.D., Allarà, M., Di Marzo, V., Abouzid, K.M., Abadi, A.H.* Naphthalene and 2,3-dihydrobenzo[b][1,4]dioxin Derivatives With Extended Side Chains as New Scaffolds of CB2 Selective Ligands.
Med. Chem. Comm., 2014, 5, 1571-1576.
 

Behnam, M.A., Nitsche, C., Vechi, S.M., Klein, C.D.* C-Terminal Residue Optimization and Fragment Merging: Discovery of a Potent Peptide-Hybrid Inhibitor of Dengue Protease.
ACS Med. Chem. Lett., 2014, 5, 1037, DOI: 10.1021/ml500245v, 2014
 

Nitsche, C., Schreier, A., Behnam, M.A.M., Kumar, A., Bartenschlager, R., Klein C.D.* Thiazolidinone–Peptide Hybrids as Dengue Virus Protease Inhibitors with Antiviral Activity in Cell Culture.
Journal of Medicinal Chemistry, 2013, 56, 8389-8403.

 

Nitsche, C., Klein C.D.* Fluorimetric and HPLC-Based Dengue Virus Protease Assays Using a FRET Substrate.
Methods in Molecular Biology 2013, 1030, 221-236. doi: 10.1007/978-1-62703-484-5_18.

nitsche-klein
 


Seehafer, K., Rominger, F., Helmchen, G.,* Langhans, M., Robinson, D.G., Özata, B., Brügger, B., Strating, J., van Kuppeveld, F.J.M., Klein, C.D., Synthesis and Biological Properties of Novel Brefeldin A Analogues
Journal of Medicinal Chemistry, 2013, 56, 5872–5884

 

Scholz, T., Heyl, C.L., Bernardi, D., Zimmermann, S., Kattner, L., Klein, C.D.* Chemical, Biochemical and Microbiological Properties of a Brominated Nitrovinylfuran with Broad-Spectrum Antibacterial Activity.
Bioorganic & Medicinal Chemistry, 2013, 21, 795–804
 

Nitsche, C., Klein, C.D.* Aqueous microwave-assisted one-pot synthesis of N-substituted rhodanines.
Tetrahedron Letters, 2012, 53, 5197-5201.

 

Nitsche, C., Behnam, M.A. Steuer, C., Klein, C.D.* Retro peptide-hybrids as selective inhibitors of the Dengue virus NS2B-NS3 protease.
Antiviral Research, 2012, 94, 72-79.

 

Poreba, M., Gajda, A., Picha, J., Jiracek, J., Marschner, A., Klein, C.D., Salvesen, G., Drag, M., S1 pocket fingerprints of human and bacterial methionine aminopeptidases determined using fluorogenic libraries of substrates and phosphorus based inhibitors.
Biochimie, 2012, 94, 704-10.

 

Mendgen, T., Steuer, C., Klein, C.D.* Privileged Scaffolds or Promiscuous Binders – A Comparative Study on Rhodanines and Related Heterocycles in Medicinal Chemistry.
Journal of Medicinal Chemistry, 2011, 55, 743–753.

 

Nitsche, C., Steuer, C., Klein, C.D.* Arylcyanoacrylamides as inhibitors of the Dengue and West Nile virus proteases.
Bioorganic & Medicinal Chemistry, 2011, 19, 7318-7337

 

Steuer,  C., Gege, C., Fischl, W., Heinonen, K.H., Bartenschlager, R., Klein, C.D.* Synthesis and biological evaluation of α-ketoamides as inhibitors of the dengue virus protease with antiviral activity in cell-culture.
Bioorganic & Medicinal Chemistry 2011, 19, 4067-4074

 

Förster, S.,  Persch, E., Tverskoy, O., Rominger, F., Helmchen, G.,* Klein, C.D.,  Gönen, B., Brügger, B.. Syntheses and Biological Properties of Brefeldin Analogues.
Eur. J. Org. Chem., 2011, 5, 878-891

 

Mendgen, T., Scholz, T., Klein, C.D.* Structure-Activity Relationships of Tulipalines, Tuliposides and Related Compounds as Inhibitors of MurA.
Bioorg. Med. Chem. Lett. 2010, 20, 5757-62.

 

Altmeyer, M.A., Marschner, A., Schiffmann. R., Klein, C.D.* Subtype-selectivity of metal-dependent methionine aminopeptidase inhibitors.
Bioorg. Med. Chem. Lett. 2010, 20, 4038-4044.

 

Steuer, C., Heinonen, K., Kattner, L., Klein, C.D.* Optimization of Assay Conditions for Dengue Virus Protease: Effect of Various Polyols and Non-Ionic Detergents.
J. Biomol. Screening, 2009, 14, 1102-1108

 

 

Ziegler, S., Kronenberger, B., Albrecht, B., Kaul, A., Gamer, A., Klein, C.D.*, Hartmann, R.W.* Development and Evaluation of a FACS-Based Medium Throughput Assay for HCV Entry Inhibitors.
J. Biomol. Screening, 2009, 14, 620-626


 

 

Gege, C., Klein, C.D.* Frontiers in Medicinal Chemistry 2009 - a Summary of the Meeting at Heidelberg University.
ChemMedChem. 2009, 4, 1371-1376



Steinbach, A., Scheidig, A.J., Klein, C.D.* The unusual binding mode of cnicin to the antibacterial target enzyme MurA revealed by X-ray crystallography.
J. Med. Chem., 2008, 51, 5143-5148

 

Holzer, M., Ziegler, S., Albrecht, B., Kronenberger, B., Bartenschlager, R., Kattner, L., Klein, C.D.*, Hartmann, R.W. Identification of Terfenadine as an Inhibitor of Human CD81-receptor HCV-E2 Interaction: Synthesis and Structure Optimization
Molecules, 2008, 13, 1081-1110.

 

Holzer, M., Ziegler, S., Neugebauer, A., Kronenberger, B., Klein, C.D.*, Hartmann, R.W.* Structural Modifications of Salicylates: Inhibitors of Human CD81-Receptor HCV-E2 Interaction.
Arch. Pharm., 2008, 341, 478-484

 

Holzer, M., Ziegler, S., Kronenberger, B., Klein, C.D., Hartmann, R.W. * Microwave assisted syntheses of amino acid ester substituted benzoic acid amides: Potential inhibitors of human CD81-receptor HCV-E2 interaction.
The Open Medicinal Chemistry Journal, 2008, 2, 21-25.


Neugebauer, A.; Hartmann, R.W.; Klein C.D.* Prediction of protein-protein interaction inhibitors by chemoinformatics and machine learning methods.
J. Med. Chem., 2007, 50, 4665-4668

 

Bachelier, A.; Mayer, R.; Klein, C.D.* Sesquiterpene Lactones are Potent and Irreversible Inhibitors of MurA.
Bioorg. Med. Chem. Letters, 2006, 21, 5605-5609


Klein, C.D.*; Bachelier, A. Molecular Modeling and Bioinformatical Analysis of the Antibacterial Target Enzyme MurA from a Drug Design Perspective.
Journal of Computer-Aided Molecular Design, 2006, 20, 621-628


Schiffmann, R.; Neugebauer, A.; Klein, C.D.* Metal-Mediated Inhibition of E. coli Methionine Aminopeptidase: Structure-Activity Relationships and Development of a Novel Scoring Function for Metal-Ligand Interactions.
J. Med. Chem. 2006, 49, 511-522

 

 

  Angewandte-titel-klein Schiffmann, R.; Heine, A.; Klebe, G.; Klein, C.D.* Metal Ions as Cofactors for Ligand Binding at Methionine Aminopeptidase: A Critical View on the Relevance of in vitro Metalloenzyme Assays.
Angewandte Chemie Int. Ed. 2005, 44, 3620-3623

 

Ashraf H. Abadi, A.H.; Sahar M. Abou-Seri, S.M.; Abdel-Rahman, S.E.; Klein, C.D.; Lozach, O.; Meijer, L. Synthesis of 3-substituted-2-oxoindole analogues and their evaluation as kinase inhibitors, anticancer and antiangiogenic agents.
Eur. J. Med. Chem. 2006, 41, 296–305


Ulmschneider, S.; Müller-Vieira, U.; Mitrenga, M.; Hartmann, R.W.; Oberwinkler-Marchais, S.; Klein, C.D.; Bureik, M.; Bernhardt, R.; Antes. I.; Lengauer, T. Synthesis and Evaluation of Imidazolylmethylene-tetrahydronaphthalenes and -indanes: Potent Inhibitors of Aldosterone Synthase (CYP11B2).
J. Med. Chem. 2005, 48, 1796-1805



Ulmschneider, S.; Müller-Vieira, U.; Klein, C.D.; Antes, I.; Lengauer, T.; Hartmann, R.W. Synthesis and Evaluation of Pyridylmethylene-tetrahydronaphthalenes / -indanes and structurally modified derivatives: Potent and Selective Inhibitors of Aldosterone Synthase (CYP11B2).
J. Med. Chem., 2005, 48, 1563-75


Neugebauer, A.; Klein, C.; Hartmann, R.W. Protein-Dynamics of the Putative HCV Receptor CD81 Large Extracellular Loop.
Bioorg. Med. Chem. Lett. 2004, 14, 1765-1769.


de Pol, S.; Zorn, C.; Klein, C.; Zerbe, O.; Reiser, O. Surprisingly Stable Helical Structures in altering a/b-Peptides by Incorporation of Cis-b-Amino­cyclopropane Carboxylic Acids.
Angew. Chem. Int. Ed. 2004, 43, 511 –514


Klein,C.*; Schiffmann, R.; Folkers, G.; Piana, S.; Röthlisberger, U. Protonation States of Methionine Aminopeptidase and Their Relevance For Inhibitor Binding and Catalytic Activity.
Journal of Biological Chemistry, 2003, 278, 47862–47867.


Klein, C.* Protonation States of Methionine Aminopeptidase Studied by QM/MM Car-Parrinello Molecular Dynamics Simulations.
High Performance Computing in Science and Engineering, 2003, 393-402.


Klein, C.*; Folkers, G. Understanding the Selectivity of Fumagillin for the Methionine Aminopeptidase Type II.
Oncology Research and AntiCancer Drug Design, 2003, 13, 513-520.


Hartmann, R.W.; Ehmer, P.B.; Haidar, S.; Hector, M.; Jose, J.; Klein, C.; Seidel, S.B.; Sergejew, T.F.; Wachall, B.G.; Wächter, G.A.; Zhuang, Y. Inhibition of CYP17, a New Strategy for the Treatment of Prostate Cancer.
Arch. Pharm. Pharm. Med. Chem., 2002, 4, 119-128.


Folkers, G.; Klein, C. Computational Methods Facilitate the Assignment of Protein Functions.
Angew. Chem. Int. Ed. Engl., 2001, 40, 4175-4177.


Baston, E.; Klein, C.; Hartmann, R.W.; et al. Synthesis, evaluation, and QSAR studies of highly potent aromatase inhibitors of the piperidinedione type.
Anti-Cancer Drug Design, 2001, 16, 37-47.


Klein, C.*; Tabeteh, G.F.; v. Laguna, A., Holzgrabe, U.; Mohr, K. Lipophilicity and Membrane Interactions of Cationic-Amphiphilic Compounds: Syntheses and Structure-Property Relationships.
Eu. J. Pharm. Sci. 2001, 14, 167-175.


Haidar, S.; Klein., C.; Hartmann, R.W. Synthesis and Evaluation of Steroidal Hydroxamic Acids as Inhibitors of P45017 (17a-Hydroxylase-C17-20-Lyase)
Arch. Pharm. Pharm. Med. Chem. 2001, 334, 138-140


Klein, C.; Klingmüller, M.; Schellinski, M.; Landmann, S.; Hauschild, S.; Heber, D.; Mohr, K.; Hopfinger, A.J. Synthesis, Pharmacological and Biophysical Characterization, and Membrane-Interaction QSAR Analysis of Cationic-Amphiphilic Model Compounds.
J. Med. Chem.
1999, 42, 3874-3888


Klein, C.; Hopfinger, A.J. Pharmacological Activity and Membrane Interactions of Antiarrhythmics: 4D-QSAR/QSPR Analysis.
Pharm. Res. 1998, 15, 303-311.

 

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