Waldemar Adam
Institute of Organic Chemistry
University of Würzburg
Germany
Name/email consistency: high
- Singlet-oxygen generation in the catalytic reaction of dioxiranes with nucleophilic anions. Adam, W., Kazakov, D.V., Kazakov, V.P., Kiefer, W., Latypova, R.R., Schlücker, S. Photochem. Photobiol. Sci. (2004)
- Stereochemical memory in the regioselective and diastereoselective rearrangement of tricyclo[3.3.0.0 2,4]octanes (housanes) by electron transfer (1,3-cyclopentanediyl radical cations) and acid (cyclopentyl carbenium ions) and silver-ion catalysis. Adam, W., Librera, C.P., Klärner, F.G., Wurche, F. J. Am. Chem. Soc. (2003)
- Spin delocalization by triple-bonded functionalities in propargyl and heteropropargyl radicals, assessed from the EPR-spectral D parameter of 1,3-cyclopentanediyl triplet diradicals. Adam, W., Ortega-Schulte, C.M. J. Org. Chem. (2003)
- Highly efficient catalytic asymmetric epoxidation of allylic alcohols by an oxovanadium-substituted polyoxometalate with a regenerative TADDOL-derived hydroperoxide. Adam, W., Alsters, P.L., Neumann, R., Saha-Möller, C.R., Seebach, D., Zhang, R. Org. Lett. (2003)
- A highly chemoselective, diastereoselective, and regioselective epoxidation of chiral allylic alcohols with hydrogen peroxide, catalyzed by sandwich-type polyoxometalates: enhancement of reactivity and control of selectivity by the hydroxy group through metal-alcoholate bonding. Adam, W., Alsters, P.L., Neumann, R., Saha-Möller, C.R., Sloboda-Rozner, D., Zhang, R. J. Org. Chem. (2003)
- Direct episulfidation of alkenes and allenes with elemental sulfur and thiiranes as sulfur sources, catalyzed by molybdenum oxo complexes. Adam, W., Bargon, R.M., Schenk, W.A. J. Am. Chem. Soc. (2003)
- Viscosity-dependent diastereoselectivity and product selectivity in the photodenitrogenation of a spirocyclopropane-substituted, DBH-type azoalkane. Adam, W., Sajimon, M.C., Trofimov, A.V. Photochem. Photobiol. Sci. (2003)
- Asymmetric Weitz-Scheffer epoxidation of isoflavones with hydroperoxides mediated by optically active phase-transfer catalysts. Adam, W., Rao, P.B., Degen, H.G., Levai, A., Patonay, T., Saha-Möller, C.R. J. Org. Chem. (2002)
- 2'-Deoxyguanosine (DG) oxidation and strand-break formation in DNA by the radicals released in the photolysis of N-tert-butoxy-2-pyridone. Are tert-butoxyl or methyl radicals responsible for the photooxidative damage in aqueous media?. Adam, W., Marquardt, S., Kemmer, D., Saha-Möller, C.R., Schreier, P. Org. Lett. (2002)
- Rearrangement of annelated housanes to triquinane-like hydrocarbons by electron transfer (1,3-cyclopentanediyl radical cations) and acid catalysis (cyclopentyl carbenium ions). Adam, W., Librera, C.P. J. Org. Chem. (2002)
- Spiroiminodihydantoin is a major product in the photooxidation of 2'-deoxyguanosine by the triplet states and oxyl radicals generated from hydroxyacetophenone photolysis and dioxetane thermolysis. Adam, W., Arnold, M.A., Grüne, M., Nau, W.M., Pischel, U., Saha-Möller, C.R. Org. Lett. (2002)
- Lewis acid catalyzed sulfur transfer from a sultene to strained cyclic alkenes. Adam, W., Fröhling, B. Org. Lett. (2002)
- Unusual temperature dependence in the cis/trans-oxetane formation discloses competitive syn versus anti attack for the Paternò-Büchi reaction of triplet-excited ketones with cis- and trans-cylooctenes. Conformational control of diastereoselectivity in the cyclization and cleavage of preoxetane diradicals. Adam, W., Stegmann, V.R. J. Am. Chem. Soc. (2002)
- cis-Stilbene and (1 alpha,2 beta,3 alpha)-(2-ethenyl-3-methoxycyclopropyl)benzene as mechanistic probes in the Mn(III)(salen)-catalyzed epoxidation: influence of the oxygen source and the counterion on the diastereoselectivity of the competitive concerted and radical-type oxygen transfer. Adam, W., Roschmann, K.J., Saha-Möller, C.R., Seebach, D. J. Am. Chem. Soc. (2002)
- Photochemical versus thermal skeletal inversion: viscosity-controlled photodenitrogenation of a bridgehead-substituted DBH-type azoalkane and thermal syn-to-anti housane isomerization. Adam, W., Diedering, M., Trofimov, A.V. J. Am. Chem. Soc. (2002)
- Spin delocalization in 1-heteroallyl monoradicals as a measure of radical stabilization by heterovinyl substituents assessed through the EPR-spectral zero-field D parameter of 1,3-cyclopentanediyl triplet diradicals. Adam, W., Ortega Schulte, C.M. J. Org. Chem. (2002)
- Unusual sulfur chemistry in the thermal reaction of sultene and thiophene endoperoxide sulfur donors with cyclic alkynes: reversible formation of a persistent thiirenium ion and trapping of a thiirene by [4 + 2] cycloaddition. Adam, W., Bosio, S.G., Fröhling, B., Leusser, D., Stalke, D. J. Am. Chem. Soc. (2002)
- Photochemistry of N-isopropoxy-substituted 2(1H)-pyridone and 4-p-tolylthiazole-2(3H)-thione: alkoxyl-radical release (spin-trapping, EPR, and transient spectroscopy) and its significance in the photooxidative induction of DNA strand breaks. Adam, W., Hartung, J., Okamoto, H., Marquardt, S., Nau, W.M., Pischel, U., Saha-Möller, C.R., Spehar, K. J. Org. Chem. (2002)
- Direct synthesis of isothiocyanates from isonitriles by molybdenum-catalyzed sulfur transfer with elemental sulfur. Adam, W., Bargon, R.M., Bosio, S.G., Schenk, W.A., Stalke, D. J. Org. Chem. (2002)
- Viscosity-controlled, product-selective rearrangement of the cyclopentane-1,3-diyl radical cation derived from an annelated housane by electron transfer: a case of Curtin-Hammett behavior. Adam, W., Librera, C., Trofimov, A.V. J. Am. Chem. Soc. (2002)
- Stereochemical memory in the temperature-dependent photodenitrogenation of bridgehead-substituted DBH-type azoalkanes: inhibition of inverted-housane formation in the diazenyl diradical through the mass effect (inertia) and steric hindrance. Adam, W., García, H., Diedering, M., Martí, V., Olivucci, M., Palomares, E. J. Am. Chem. Soc. (2002)
- Control of the mode selectivity (ene reaction versus [2 + 2] cycloaddition) in the photooxygenation of ene carbamates: directing effect of an alkenylic nitrogen functionality. Adam, W., Bosio, S.G., Turro, N.J. J. Am. Chem. Soc. (2002)
- Viscosity dependence of the denitrogenation quantum yield in azoalkane photolysis: experimental evidence for reversible formation of the diazenyl diradical. Adam, W., Corley, D.A., Trofimov, A.V., White, R.C. Org. Lett. (2002)
- Ene reaction of singlet oxygen, triazolinedione, and nitrosoarene with chiral deuterium-labeled allylic alcohols: the interdependence of diastereoselectivity and regioselectivity discloses mechanistic insights into the hydroxy-group directivity. Adam, W., Bottke, N., Krebs, O., Lykakis, I., Orfanopoulos, M., Stratakis, M. J. Am. Chem. Soc. (2002)
- Photobiological model studies on perester and pyridone tert-butoxyl radical sources (photo-Fenton-type reagents): 2'-deoxyguanosine modification by methyl radicals generated through competitive beta-cleavage in aqueous media. Adam, W., Marquardt, S., Kemmer, D., Saha-Möller, C.R., Schreier, P. Photochem. Photobiol. Sci. (2002)
- An experimental and computational study on the reactivity and regioselectivity for the nitrosoarene ene reaction: comparison with triazolinedione and singlet oxygen. Adam, W., Bottke, N., Engels, B., Krebs, O. J. Am. Chem. Soc. (2001)
- Photooxidative damage of guanine in DG and DNA by the radicals derived from the alpha cleavage of the electronically excited carbonyl products generated in the thermolysis of alkoxymethyl-substituted dioxetanes and the photolysis of alkoxyacetones. Adam, W., Arnold, M.A., Saha-Möller, C.R. J. Org. Chem. (2001)
- Diastereoselective epoxidation of oxazolidine-substituted alkenes by dimethyldioxirane and m-chloroperbenzoic acid: pi-facial control through hydrogen bonding by the urea functionality. Adam, W., Schambony, S.B. Org. Lett. (2001)
- Unusual temperature-dependent diastereoselectivity in the [2 + 2] photocycloaddition (Paternò-Büchi reaction) of benzophenone to cis- and trans-cyclooctene through conformational control. Adam, W., Stegmann, V.R., Weinkötz, S. J. Am. Chem. Soc. (2001)
- Efficient control of the diastereoselectivity and regioselectivity in the singlet-oxygen ene reaction of chiral oxazolidine-substituted alkenes by a remote urea NH functionality: comparison with dimethyldioxirane and m-chloroperbenzoic acid epoxidations. Adam, W., Peters, K., Peters, E.M., Schambony, S.B. J. Am. Chem. Soc. (2001)
- Enantioselective epoxidation with chiral MN(III)(salen) catalysts: kinetic resolution of aryl-substituted allylic alcohols. Adam, W., Humpf, H.U., Roschmann, K.J., Saha-Möller, C.R. J. Org. Chem. (2001)
- Synthesis of 4,6-dideoxyfuranoses through the regioselective and diastereoselective oxyfunctionalization of a dimethylphenylsilyl-substituted chiral homoallylic alcohol. Adam, W., Saha-Möller, C.R., Schmid, K.S. J. Org. Chem. (2001)
- Structure-dependent reactivity of oxyfunctionalized acetophenones in the photooxidation of DNA: base oxidation and strand breaks through photolytic radical formation (spin trapping, EPR spectroscopy, transient kinetics) versus photosensitization (electron transfer, hydrogen-atom abstraction). Adam, W., Arnold, M.A., Nau, W.M., Pischel, U., Saha-Möller, C.R. Nucleic Acids Res. (2001)
- Molybdenum-catalyzed episulfidation of (E)-cycloalkenes with elemental sulfur. Adam, W., Bargon, R.M. Chem. Commun. (Camb.) (2001)
- Chemoselective C-H oxidation of alcohols to carbonyl compounds with iodosobenzene catalyzed by (salen)chromium complex. Adam, W., Gelalcha, F.G., Saha-Moller, C.R., Stegmann, V.R. J. Org. Chem. (2000)
- Hydrogen-bonding effects on the fluorescence versus electron-transfer-initiated chemiluminescence spectra of the m-oxybenzoate ion derived from a bicyclic dioxetane. Adam, W., Matsumoto, M., Trofimov, A.V. J. Org. Chem. (2000)
- Opposite pi-face selectivity for the DMD and m-CPBA epoxidations of chiral 2,2-dimethyloxazolidine derivatives of tiglic amides: control by steric interactions versus hydrogen bonding. Adam, W., Pastor, A., Peters, K., Peters, E.M. Org. Lett. (2000)
- Direct amination of olefins through sequential triazolinedione ene reaction and carbanion-assisted cleavage of the N-N urazole bond. Adam, W., Pastor, A., Wirth, T. Org. Lett. (2000)
- Synthesis of optically active alpha-methylene beta-lactams through lipase-catalyzed kinetic resolution. Adam, W., Groer, P., Humpf, H.U., Saha-Möller, C.R. J. Org. Chem. (2000)
- A highly chemoselective oxidation of alcohols to carbonyl products with iodosobenzene diacetate mediated by chromium(III)(salen) complexes: synthetic and mechanistic aspects. Adam, W., Hajra, S., Herderich, M., Saha-Möller, C.R. Org. Lett. (2000)
- The effect of meta versus para substitution on the efficiency of chemiexcitation in the chemically triggered electron-transfer-initiated decomposition of spiroadamantyl dioxetanes. Adam, W., Trofimov, A.V. J. Org. Chem. (2000)
- N-hydroxy-4-(4-chlorophenyl)thiazole-2(3H)-thione as a photochemical hydroxyl-radical source: photochemistry and oxidative damage of DNA (strand breaks) and 2'-deoxyguanosine (8-oxodG formation). Adam, W., Hartung, J., Okamoto, H., Saha-Möller, C.R., Spehar, K. Photochem. Photobiol. (2000)
- Wavelength-selective photodenitrogenation of azoalkanes to high-spin polyradicals with cyclopentane-1,3-diyl spin-carrying units and their photobleaching: EPR/UV spectroscopy and product studies of the matrix-isolated species. Adam, W., Maas, W., Nau, W.M. J. Org. Chem. (2000)
- Peroxidase-catalyzed oxidative damage of DNA and 2'-deoxyguanosine by model compounds of lipid hydroperoxides: involvement of peroxyl radicals. Adam, W., Kurz, A., Saha-Möller, C.R. Chem. Res. Toxicol. (2000)
- Biotransformation of (1-phenyl)ethyl hydroperoxide with Aspergillus niger: a model study on enzyme selectivity and on the induction of peroxidase activity. Adam, W., Lukacs, Z., Saha-Möller, C.R., Schreier, P. Biochim. Biophys. Acta (1999)
- DNA and 2'-deoxyguanosine damage in the horseradish-peroxidase-catalyzed autoxidation of aldehydes: the search for the oxidizing species. Adam, W., Kurz, A., Saha-Möller, C.R. Free Radic. Biol. Med. (1999)
- Biotransformations with peroxidases. Adam, W., Lazarus, M., Saha-Möller, C.R., Weichold, O., Hoch, U., Häring, D., Schreier, P. Adv. Biochem. Eng. Biotechnol. (1999)
- DNA cleavage induced by oxyl radicals generated in the photosensitized decomposition of fatty ester hydroperoxides derived from oleic and linoleic acid. Adam, W., Andler, S., Saha-Möller, C.R. Arch. Biochem. Biophys. (1998)
- Photochemical and photobiological studies with acridine and phenanthridine hydroperoxides in cell-free DNA. Adam, W., Groer, P., Mielke, K., Saha-Möller, C.R., Hutterer, R., Kiefer, W., Nagel, V., Schneider, F.W., Ballmaier, D., Schleger, Y., Epe, B. Photochem. Photobiol. (1997)
- Photochemical and photobiological studies of a furonaphthopyranone as a benzo-spaced psoralen analog in cell-free and cellular DNA. Adam, W., Mielke, K., Saha-Möller, C.R., Möller, M., Stopper, H., Hutterer, R., Schneider, F.W., Ballmaier, D., Epe, B., Gasparro, F.F., Chen, X., Kagan, J. Photochem. Photobiol. (1997)
