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  • 1.
    Balan, Daniela
    et al.
    Stockholm University, Faculty of Science, Department of Organic Chemistry.
    Adolfsson, Hans
    Chiral quinuclidine-based amine catalysts for the asymmetric one-pot, three-component aza-Baylis–Hillman reaction2003In: Tetrahedron Letters, Vol. 44, no 12, p. 2521-2524Article in journal (Refereed)
  • 2. Borgström, Magnus
    et al.
    Johansson, Olof
    Stockholm University, Faculty of Science, Department of Organic Chemistry.
    Lomoth, Reiner
    Berglund-Baudin, Helena
    Wallin, Staffan
    Sun, Licheng
    Åkermark, Björn
    Hammarström, Leif
    Electron Donor-Acceptor Dyads and Triads Based on Tris(bipyridine)ruthenium(II) and Benzoquinone: Synthesis, Characterization, and Photoinduced Electron Transfer Reactions2003In: Inorganic Chemistry, ISSN 0020-1669, Vol. 42, no 17, p. 5173-5184Article in journal (Refereed)
  • 3. Dorange, Ismet
    et al.
    Löfstedt, Joakim
    Franzén, Johan
    Stockholm University, Faculty of Science, Department of Organic Chemistry.
    Närhi, Katja
    Bäckvall, Jan E.
    Stockholm University, Faculty of Science, Department of Organic Chemistry.
    Allenes as Carbon Nucleophiles in Intramolecular Attack on (π-1,3-diene)Palladium Complexes: Evidence for trans-Carbopalladation of the 1,3-Diene2003In: Chemistry - A European Journal, ISSN 0947-6539, E-ISSN 1521-3765, Vol. 9, no 14, p. 3445-3449Article in journal (Refereed)
  • 4.
    Edin, Michaela
    et al.
    Stockholm University, Faculty of Science, Department of Organic Chemistry.
    Bäckvall, Jan-E.
    On the mechanism of the unexpected facile formation of meso-diacetate products in enzymatic acetylation of alkanediols2003In: Journal of Organic Chemistry, ISSN 0022-3263, E-ISSN 1520-6904, Vol. 68, p. 2216-2222Article in journal (Refereed)
  • 5.
    Eklund, Robert
    et al.
    Stockholm University, Faculty of Science, Department of Organic Chemistry.
    Widmalm, Göran
    Molecular dynamics simulations of an oligosaccharide using a force field modified for carbohydrates2003In: Carbohydrate Research, ISSN 0008-6215, Vol. 338, no 5, p. 393-398Article in journal (Refereed)
  • 6.
    Franzén, Johan
    et al.
    Stockholm University, Faculty of Science, Department of Organic Chemistry.
    Bäckvall, Jan E.
    Stockholm University, Faculty of Science, Department of Organic Chemistry.
    Carbon-Carbon bond formation in Palladium(II)-Catalyzed Allylic Oxidation: A Novel Oxidative Carbozyclization of Allene-Substituted Olefins2003In: Journal of the American Chemical Society, ISSN 0002-7863, E-ISSN 1520-5126, Vol. 125, no 20, p. 6056-6057Article in journal (Refereed)
  • 7.
    Franzén, Johan
    et al.
    Stockholm University, Faculty of Science, Department of Organic Chemistry.
    Löfstedt, Joakim
    Falk, Jennica
    Bäckvall, Jan-E
    Stereoselective Palladium-Catalyzed Carbocyclization of Allenic Allylic Carboxylates.2003In: Journal of the American Chemical Society, ISSN 0002-7863, E-ISSN 1520-5126, Vol. 125, no 46, p. 14140-14148Article in journal (Refereed)
  • 8.
    Johansson, Olof
    et al.
    Stockholm University, Faculty of Science, Department of Organic Chemistry.
    Borgström, Magnus
    Lomoth, Reiner
    Palmblad, Magnus
    Bergquist, Jonas
    Hammarström, Leif
    Sun, Licheng
    Åkermark, Björn
    Electron Donor-Acceptor Dyads Based on Ruthenium(II) Bipyridine and Terpyridine Complexes Bound to Naphthalenediimide2003In: Inorganic Chemistry, ISSN 0020-1669, Vol. 42, no 9, p. 2908-2918Article in journal (Refereed)
  • 9. Kapoor, Mili
    et al.
    Srinivas, Honnappa
    Kandiah, Eaazhisai
    Gemma, Emiliano
    Stockholm University, Faculty of Science, Department of Organic Chemistry.
    Ellgaard, Lars
    Oscarson, Stefan
    Helenius, Ari
    Surolia, Avadhesha
    Interactions of Substrate with Calreticulin, an Endoplasmic Reticulum Chaperone2003In: Journal of Biological Chemistry, ISSN 0021-9258, E-ISSN 1083-351X, Vol. 278, no 8, p. 6194–6200-Article in journal (Refereed)
  • 10.
    Lindén, Auri
    et al.
    Stockholm University, Faculty of Science, Department of Organic Chemistry.
    Krüger, Lars
    Bäckvall, Jan-Erling
    Highly Selective Sulfoxidation of Allylic and Vinylic Sulfides by Hydrogen Peroxide Using a Flavin as Catalyst2003In: Journal of Organic Chemistry, ISSN 0022-3263, Vol. 68, no 15, p. 5890-5896Article in journal (Refereed)
  • 11. Lomoth, Reiner
    et al.
    Magnuson, Ann
    Xu, Yunhua
    Stockholm University, Faculty of Science, Department of Organic Chemistry.
    Sun, Licheng
    Mixed-valence Properties of an Acetate-Bridged Dinuclear Ruthenium(II,III) Complex2003In: The Journal of Physical Chemistry A, ISSN 1089-5639, Vol. 107, no 22, p. 4373-4380Article in journal (Refereed)
  • 12. Löfstedt, Joakim
    et al.
    Närhi, Katja
    Stockholm University, Faculty of Science, Department of Organic Chemistry.
    Dorange, Ismet
    Bäckvall, Jan-E.
    Palladium-Catalyzed Carbocyclization of Allene-Diene derivatives. Exploring Different Nucleophiles.2003In: Journal of Organic Chemistry, ISSN 0022-3263, Vol. 68, no 19, p. 7243-7248Article in journal (Refereed)
  • 13. Mohan, Halasayam
    et al.
    Gemma, Emiliano
    Stockholm University, Faculty of Science, Department of Organic Chemistry.
    Ruda, Katinka
    Oscarson, Stefan
    Efficient Synthesis of Spacer-linked Dimers of N-Acetyllactosamine Using Microvawe-assisted Pyridinium Triflate-promoted Glycosylations with Oxazoline Donors2003In: Synlett: Accounts and Rapid Communications in Synthetic Organic Chemistry, ISSN 0936-5214, E-ISSN 1437-2096, no 9, p. 1255-1256Article in journal (Refereed)
  • 14.
    Niclas, Solin
    et al.
    Stockholm University, Faculty of Science, Department of Organic Chemistry.
    Kjellgren, Johan
    Stockholm University, Faculty of Science, Department of Organic Chemistry.
    Szabó, Kálmán J.
    Stockholm University, Faculty of Science, Department of Organic Chemistry.
    Palladium-Catalyzed Electrophilic Substitution via Monoallylpalladium Intermediates2003In: Angewandte Chemie International Edition, ISSN 1433-7851, E-ISSN 1521-3773, Vol. 42, no 31, p. 3656-3658Article in journal (Refereed)
  • 15. Pastor, Isidro
    et al.
    Västilä, Patrik
    Stockholm University, Faculty of Science, Department of Organic Chemistry.
    Adolfsson, Hans
    Employing the structural diversity of nature: Development of modular dipeptide-analogue ligands for ruthenium-catalyzed enantioselective transfer-hydrogenation of ketones2003In: Chemistry a European journal, ISSN 1521-3765, Vol. 9, no 17, p. 4031-4045Article in journal (Refereed)
  • 16. Sebelius, Sara
    et al.
    Wallner, Olov
    Stockholm University, Faculty of Science, Department of Organic Chemistry.
    Szabó, Kálmán J
    Palladium-Catalyzed Coupling of Allyl Acetates with Aldehyde and Imine Electrophiles in the Presence of Bis(pinacolato)diboron2003In: Organic Letters, ISSN 1523-7060, Vol. 5, no 17, p. 3065-3068Article in journal (Refereed)
  • 17.
    Wallner, Olov
    et al.
    Stockholm University, Faculty of Science, Department of Organic Chemistry.
    Szabó, Kálmán J
    Origin of the Regio- and Stereoselectivity in Palladium-Catalyzed Electrophilic Substitution via Bis-allylpalladium Complexes2003In: Chemistry : a European journal, ISSN 0947-6539, Vol. 9, no 17, p. 4025-4030Article in journal (Refereed)
  • 18.
    Wallner, Olov
    et al.
    Stockholm University, Faculty of Science, Department of Organic Chemistry.
    Szabó, Kálmán J
    Palladium-Catalyzed Electrophilic Allylic Substitution of Allyl Chlorides and Acetates via Bis-allylpalladium Intermediates2003In: Journal of Organic Chemistry, ISSN 0022-3263, Vol. 68, no 7, p. 2934-2943Article in journal (Refereed)
  • 19.
    Wolpher, Henriette
    et al.
    Stockholm University, Faculty of Science, Department of Organic Chemistry.
    Borgström, Magnus
    Hammarström, Leif
    Bergquist, Jonas
    Sundström, Villy
    Styring, Stenbjörn
    Sun, Licheng
    Åkermark, Björn
    Synthesis and Properties of an Iron Hydrogenase Active Site Model Linked to Ruthenium tris-Bipyridine Photosensitizer2003In: Inorganic Chemical Communications, Vol. 6, p. 989-991Article in journal (Refereed)
  • 20.
    Zmudzka, Katarzyna
    et al.
    Polish Acad Sci, Ctr Mol & Macromol Studies.
    Johansson, Tommy
    Stockholm University, Faculty of Science, Department of Organic Chemistry.
    Wojcik, Marzena
    Polish Acad Sci, Ctr Mol & Macromol Studies.
    Janicka, Magdalena
    Polish Acad Sci, Ctr Mol & Macromol Studies.
    Nowak, Marian
    Polish Acad Sci, Ctr Mol & Macromol Studies.
    Stawinski, Jacek
    Nawrot, Barbara
    Polish Acad Sci, Ctr Mol & Macromol Studies.
    Novel DNA Analogues with 2-, 3- and 4-Pyridylphosphonate Internucleotide Bonds: Synthesis and Hybridisation Properties2003In: New Journal of Chemistry, ISSN 1144-0546, Vol. 27, no 12, p. 1698-1705Article in journal (Refereed)
    Abstract [en]

    Oligothymidylates modified with stereodefined 2-pyridyl-, 3-pyridyl- and 4-pyridylphosphonate moieties at one or two juxtaposed internucleotide positions were prepared, and their avidity towards complementary single stranded DNA and RNA, as well as toward double stranded DNA were evaluated by UV melting temperature and CD studies. It was found that the sense of chirality at the phosphorus centre and the position of the nitrogen atom in the pyridyl ring of a pyridylphosphonate moiety are important factors governing stability of double- and triple-stranded complexes formed by these oligonucleotides. DNA/DNA and DNA/RNA duplexes containing oligothymidylate strands with R-P-pyridylphosphonate units differed only slightly from unmodified reference complexes. In contrast to this, the S-P-pyridylphosphonate derivatives exhibited lower binding affinity than both their R-P-counterparts and the unmodified reference oligonucleotide T-20. Triplexes of oligo(thymidyl pyridylphosphonate)s with hairpin oligomer d(A(21)C(4)T(21)) were found mostly to be thermodynamically slightly more stable in pH 7.4 and less stable in pH 5.0 than non-modified complexes. As expected, oligonucleotides with pyridylphosphonate internucleotide bonds were recognised by 3'- and 5'-exonucleases but the chimeric oligonucleotide chains were not cleaved at the modi. cation sites.

1 - 20 of 20
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