Veröffentlichungen

  1. K.-D. Warzecha: Photoinduced Electron Transfer with Isoprenoid Polyalkene-1,1-dicarbonitriles: The Mechanism of Photochemically Initiated Radical Cyclizations, EPA Newsletter (EPA El-NL) 2003, 1, 26-27.

  2. K.-D. Warzecha: Lichtinduzierter Elektronentransfer an isoprenoiden Polyalken-1,1-dicarbonitrilen: Zum Mechanismus photochemisch ausgelöster radikalischer Cyclisierungen, Ph.D. thesis, Max-Planck-Institut für Strahlenchemie / Universität-GH-Essen, 2002.

  3. K.-D. Warzecha, J. Leitich, M. Demuth: Intramolecular [2+2] cycloaddition of some 1, n-diene-1,1-dicarbonitriles. Difference between singlet and triplet reactivity, J. Photochem. Photobiol. A 2002, 153, 103-108.

  4. K.-D. Warzecha: Extending HyperChem 5 with Visual Basic. Part 3. Unattended Generation of Molecular Conformations for Global Minimum Search, EPA Newsletter 1999, 66, 57-58.

  5. K.-D. Warzecha: Extending HyperChem 5 with Visual Basic. Part 2. A Simple Dihedral Driver for HyperChem, EPA Newsletter 1999, 66, 55-56.

  6. K.-D. Warzecha: Extending HyperChem 5 with Visual Basic. Part 1. ActiveX Components for the Version-Tolerant Programming and Low-Level Control of HyperChem from External Applications, EPA Newsletter 1999, 65, 45-47.

  7. K.-D. Warzecha: Towards an EPA Archive for Chemistry Related Software, EPA Newsletter 1998, 64, 99-100.

  8. K.-D. Warzecha, H. Görner, M. Demuth: Photoinduced Electron Transfer from Isoprenoid Polyalkene Acetates to Dicyanoarenes, J. Chem. Soc., Faraday Trans. 1998, 94, 1701-1706.

  9. C. Heinemann, X. Xing, K.-D. Warzecha, P. Ritterskamp, H. Görner, M. Demuth: An asymmetric induction principle and biomimetics with photons, Pure Appl. Chem. 1998, 70, 2167-2176.

  10. K.-D. Warzecha, X. Xing, Martin Demuth: Cyclization of Terpenoid Polyalkenes via Photo-Induced Electron Transfer - Versatile Single-Step Syntheses of Mono- and Polycycles, Pure Appl. Chem. 1997, 69, 109-112.

  11. C. Heinemann, K.-D. Warzecha, X. Xing, M. Demuth: Biomimetic Radical Polycyclizations of Isoprenoid Polyalkenenes by Photoinduced Electron Transfer, Indian J. Chem., 1997, 36A, 494-497.

  12. H. Görner, K.-D. Warzecha, M. Demuth: Cyclization of Terpenoid Polyalkene Dicarbonitriles Upon Electron Transfer to 1,4-Dicyano-2,3,5,6-tetramethylbenzene, J. Phys. Chem. A 1997, 101, 9964-9973.

  13. K.-D. Warzecha, H. Görner, M. Demuth: Photocyclization of terpenoid polyalkenes upon electron transfer to a pyrylium salt : A time-resolved study, J. Chem. Soc., Faraday Trans. 1997, 93, 1523-1530.

  14. K.-D. Warzecha, X. Xing, M. Demuth, R. Goddard, M. Kessler, C. Krüger: Cascade Cyclizations of Terpenoid Polyalkenes Triggered by Photoelectron Transfer - Biomimetics with Photons, Helv. Chim. Acta 1995, 78, 2065-2076.

  15. U. Hoffmann, Y. Gao, B. Pandey, S. Klinge, K.-D. Warzecha, C. Krüger, H. D. Roth, M. Demuth: Light-Induced Polyene Cyclizations via Radical Cations in Micellar Medium, J. Am. Chem. Soc. 1993, 115, 10358-10359.

  16. U. Ernemann, D. Schirmer, A. Woeber, P. Langmann, K. Warzecha, R. Joeres, H. Klinker, E. Richter: Gas chromatographic determination of trimethoprim in plasma during high-dose trimethoprim-sulfamethoxazole treatment for Pneumocycstis carinii pneumonia, J. Chromatogr., Biomed. Appl. 1990, 528, 243-249.

  17. A. Woeber, P. Langmann, K.-D. Warzecha, R. Joeres, H. Klinker, W. Zilly, E. Richter: Trimethoprim/Sulfamethoxazol-Therapie der AIDS-assoziierten Pneumocycstis-Pneumonie - Plasmakonzentrationen und Nebenwirkungen, AIDS-Forschung (AIFO) 1990, 9, 475-481.

  18. P. Langmann, A. Woeber, K.-D. Warzecha, R. Joeres, H. Klinker, U. Ernemann, W. Zilly, E. Richter: Pyrimethamin-Plasmakonzentrationen unter hochdosierter Therapie der cerebralen Toxoplasmose und im Rahmen der Fansidar®-Prophylaxe bei Patienten mit AIDS, AIDS-Forschung (AIFO) 1990, 5, 234-242.

Konferenzbeiträge

  1. K.-D. Warzecha, M. Demuth: Lichtinduzierter Elektronentransfer als Auslöser radikalischer Cyclisierungen isoprenoider Polyalkene, 18. Vortragstagung der GDCh-Fachgruppe Photochemie, Mülheim an der Ruhr, 2003.

  2. K.-D. Warzecha, M. Demuth: Transformation von Polyalken-1,1-dicarbonitrilen unter direkter Anregung und lichtinduziertem Elektronentransfer zu einem Pyryliumsalz, 15. Vortragstagung der GDCh-Fachgruppe Photochemie, Köln, 1997.

  3. K.-D. Warzecha, M. Demuth: Cyclization of Polyalkene-1,1-dicarbonitriles Upon Direct Excitation and Photoinduced Electron Transfer to a Pyrylium Salt, First Internet Conference on Photochemistry and Photobiology, Wrexham, 1997.

  4. H. Görner, K.-D. Warzecha, M. Demuth: Time-Resolved Studies on Radical Cyclizations of Isoprenoid Polyalkene-1,1-dicarbonitriles Upon Photoinduced Electron Transfer to Triphenylpyrylium Salts and Cyanoarenes, XVIth IUPAC Symposium on Photochemistry, Helsinki, 1996, p. 255-256.

  5. M. Demuth, K.-D. Warzecha, X. Xing, Ch. Heinemann: Cyclisierung terpenoider Verbindungen über photochemische erzeugte Radikalkationen - Biomimetik mit Photonen, 14. Vortragstagung der GDCh-Fachgruppe Photochemie, Dresden, 1995.

  6. K.-D. Warzecha, M. Demuth: Photochemically Triggered Cyclizations of Terpenoid Polyalkenes Upon Electron Transfer, EPA Postgraduate Symposium on Photochemistry, Canterbury, 1995, p. 6.

  7. K.-D. Warzecha, S. Klinge, X. Xing, M. Demuth: Photochemically Triggered Biomimetic-Type Terpene Cyclizations upon Electron Transfer - A Model for Parent Reductive Enzymatic Processes, Joint Meeting of the French and German Photochemistry Groups, Strasbourg, 1994, p. 15.