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There are 90381 results for: content related to: Synthesis of Methyl Ether Analogues of Sildenafil ( Viagra ® ) Possessing Tyrosinase Inhibitory Potential

  1. Synthesis of Novel Nonpeptidic Thrombin Inhibitors

    Helvetica Chimica Acta

    Volume 83, Issue 5, May 10, 2000, Pages: 855–909, Ulrike Obst, Patrick Betschmann, Christian Lerner, Paul Seiler, François Diederich, Volker Gramlich, Lutz Weber, David W. Banner and Peter Schönholzer

    Version of Record online : 4 MAY 2000, DOI: 10.1002/(SICI)1522-2675(20000510)83:5<855::AID-HLCA855>3.0.CO;2-9

  2. Synthesis of Cytostatic Tetradecacyclic Pyrazines and a Novel Reduction-Oxidation Sequence for Spiroketal Opening in Sapogenins

    Helvetica Chimica Acta

    Volume 83, Issue 8, August 9, 2000, Pages: 1854–1880, Siegfried Bäsler, Annette Brunck, Rolf Jautelat and Ekkehard Winterfeldt

    Version of Record online : 15 AUG 2000, DOI: 10.1002/1522-2675(20000809)83:8<1854::AID-HLCA1854>3.0.CO;2-4

  3. Controlled Release of Perfumery Aldehydes and Ketones by Norrish Type-II Photofragmentation of α-Keto Esters in Undegassed Solution

    Helvetica Chimica Acta

    Volume 83, Issue 7, July 5, 2000, Pages: 1645–1671, Sabine Rochat, Caroline Minardi, Jean-Yves de Saint Laumer and Andreas Herrmann

    Version of Record online : 10 JUL 2000, DOI: 10.1002/1522-2675(20000705)83:7<1645::AID-HLCA1645>3.0.CO;2-S

  4. Synthesis of 5′-C- and 2′-O-(Bromoalkyl)-Substituted Ribonucleoside Phosphoramidites for the Post-synthetic Functionalization of Oligonucleotides on Solid Support

    Helvetica Chimica Acta

    Volume 83, Issue 6, June 7, 2000, Pages: 1127–1144, Xiaolin Wu and Stefan Pitsch

    Version of Record online : 14 JUN 2000, DOI: 10.1002/1522-2675(20000607)83:6<1127::AID-HLCA1127>3.0.CO;2-B

  5. Amino-Claisen Rearrangements and Diels-Alder Reactions of Ketene N,O-Acetals: Reactivity Studies. On the Way to a Novel Tandem Process?

    Helvetica Chimica Acta

    Volume 83, Issue 10, October 4, 2000, Pages: 2712–2737, Klaus Neuschütz, Jean-Mary Simone, Thomas Thyrann and Reinhard Neier

    Version of Record online : 26 OCT 2000, DOI: 10.1002/1522-2675(20001004)83:10<2712::AID-HLCA2712>3.0.CO;2-D

  6. Towards Asymmetric Catalysis in the Major Groove of 1,1′-Binaphthalenes

    Helvetica Chimica Acta

    Volume 83, Issue 11, November 8, 2000, Pages: 2865–2883, Philipp Lustenberger and François Diederich

    Version of Record online : 24 NOV 2000, DOI: 10.1002/1522-2675(20001108)83:11<2865::AID-HLCA2865>3.0.CO;2-A

  7. Cycloadditions of Aryl-Substituted 1,2,4-Triazines with 2-Cyclopropylidene-1,3-dimethylimidazolidine – Zwitterions as Discrete Intermediates

    Helvetica Chimica Acta

    Volume 88, Issue 6, June 2005, Pages: 1491–1518, Michael Ernd, Manfred Heuschmann and Hendrik Zipse

    Version of Record online : 21 JUN 2005, DOI: 10.1002/hlca.200590120

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    A New Class of Inhibitors for the Metalloprotease Neprilysin Based on a Central Imidazole Scaffold

    Helvetica Chimica Acta

    Volume 88, Issue 4, April 2005, Pages: 707–730, Stefan Sahli, Bernhard Stump, Tobias Welti, W. Bernd Schweizer, François Diederich, Denise Blum-Kaelin, Johannes D. Aebi and Hans-Joachim Böhm

    Version of Record online : 19 APR 2005, DOI: 10.1002/hlca.200590050

  9. Synthesis of Dendritic Metalloporphyrins with Distal H-Bond Donors as Model Systems for Hemoglobin

    Helvetica Chimica Acta

    Volume 88, Issue 1, January 2005, Pages: 120–153, Beatrice Felber and François Diederich

    Version of Record online : 24 JAN 2005, DOI: 10.1002/hlca.200490288

  10. Rhodium(II)-Catalyzed Inter- and Intramolecular Cyclopropanations with Diazo Compounds and Phenyliodonium Ylides: Synthesis and Chiral Analysis

    Helvetica Chimica Acta

    Volume 88, Issue 2, February 2005, Pages: 216–239, Ashraf Ghanem, Fabienne Lacrampe and Volker Schurig

    Version of Record online : 18 FEB 2005, DOI: 10.1002/hlca.200590003

  11. Dendritic, 1,1′-Binaphthalene-Derived Cleft-Type Receptors (Dendroclefts) for the Molecular Recognition of Pyranosides

    Helvetica Chimica Acta

    Volume 83, Issue 7, July 5, 2000, Pages: 1346–1376, Anja Bähr, Béatrice Felber, Katharina Schneider and François Diederich

    Version of Record online : 10 JUL 2000, DOI: 10.1002/1522-2675(20000705)83:7<1346::AID-HLCA1346>3.0.CO;2-3

  12. Volatile Organic Compounds from Arctic Bacteria of the Cytophaga-Flavobacterium-Bacteroides Group: A Retrobiosynthetic Approach in Chemotaxonomic Investigations

    Chemistry & Biodiversity

    Volume 2, Issue 3, March 2005, Pages: 318–353, Jeroen S. Dickschat, Elisabeth Helmke and Stefan Schulz

    Version of Record online : 22 MAR 2005, DOI: 10.1002/cbdv.200590014

  13. Total Synthesis and Biological Evaluation of Glycolipids Plakosides A, B and Their Analogs

    Helvetica Chimica Acta

    Volume 83, Issue 8, August 9, 2000, Pages: 1977–2006, Kyriacos C. Nicolaou, Jim Li and Gerhard Zenke

    Version of Record online : 15 AUG 2000, DOI: 10.1002/1522-2675(20000809)83:8<1977::AID-HLCA1977>3.0.CO;2-D

  14. Benzo[a]heptalenes from Heptaleno[1,2-c]furans. Part I

    Helvetica Chimica Acta

    Volume 88, Issue 6, June 2005, Pages: 1250–1290, Peter Uebelhart, Christophe Weymuth and Hans-Jürgen Hansen

    Version of Record online : 21 JUN 2005, DOI: 10.1002/hlca.200590105

  15. The Proteolytic Stability of ‘Designed’ β-Peptides Containing α-Peptide-Bond Mimics and of Mixed α,β-Peptides: Application to the Construction of MHC-Binding Peptides

    Chemistry & Biodiversity

    Volume 2, Issue 5, May 2005, Pages: 591–632, David F. Hook, Pascal Bindschädler, Yogesh R. Mahajan, Radovan Šebesta, Peter Kast and Dieter Seebach

    Version of Record online : 18 MAY 2005, DOI: 10.1002/cbdv.200590039

  16. Synthesis and Incorporation of C(5′)-Ethynylated Uracil-Derived Phosphoramidites into RNA

    Helvetica Chimica Acta

    Volume 87, Issue 12, December 2004, Pages: 3004–3020, Simon Eppacher, Markus Christen and Andrea Vasella

    Version of Record online : 21 DEC 2004, DOI: 10.1002/hlca.200490271

  17. Synthesis of N-Substituted (3S,4S)- and (3R,4R)-Pyrrolidine-3,4-diols: Search for New Glycosidase Inhibitors

    Helvetica Chimica Acta

    Volume 87, Issue 12, December 2004, Pages: 3167–3181, Robert Łysek and Pierre Vogel

    Version of Record online : 21 DEC 2004, DOI: 10.1002/hlca.200490282

  18. Oligonucleosides with a Nucleobase-Including Backbone, Part 2, Synthesis and Structure Determination of Adenosine-Derived Monomers

    Helvetica Chimica Acta

    Volume 83, Issue 7, July 5, 2000, Pages: 1331–1345, Hiroki Gunji and Andrea Vasella

    Version of Record online : 10 JUL 2000, DOI: 10.1002/1522-2675(20000705)83:7<1331::AID-HLCA1331>3.0.CO;2-Z

  19. Heterospirocyclic N-(2H-Azirin-3-yl)-L-prolinates: New Dipeptide Synthons

    Helvetica Chimica Acta

    Volume 83, Issue 11, November 8, 2000, Pages: 2961–2974, Giovanni Suter, Svetlana A. Stoykova, Anthony Linden and Heinz Heimgartner

    Version of Record online : 24 NOV 2000, DOI: 10.1002/1522-2675(20001108)83:11<2961::AID-HLCA2961>3.0.CO;2-S

  20. Synthesis of Cyclohexapeptides Containing Pro and Aib Residues

    Helvetica Chimica Acta

    Volume 87, Issue 12, December 2004, Pages: 3056–3079, Tatjana Jeremic, Anthony Linden and Heinz Heimgartner

    Version of Record online : 21 DEC 2004, DOI: 10.1002/hlca.200490275