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Maxantalet träffar du kan exportera från sökgränssnittet är 250. Vid större uttag använd dig av utsökningar.
  • 1.
    Balan, Daniela
    et al.
    Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för organisk kemi.
    Adolfsson, Hans
    Titanium isopropoxide as Efficient Catalyst for the aza-Baylis-Hillman reaction. Selective formation of α-methylene-β-amino acid derivatives2002Inngår i: The Journal of Organic Chemistry, Vol. 67, s. 2329-2334Artikkel i tidsskrift (Fagfellevurdert)
  • 2. Bollmark, Martin
    et al.
    Kullberg, Martin
    Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för organisk kemi.
    Stawinski, Jacek
    Nucleoside H-phosphonates. Part 19: Novel nucleotide analogues H-phosphonoselenoate mono- and diesters2002Inngår i: Tetrahedron Letters, ISSN 0040-4039, Vol. 43, nr 3, s. 515-518Artikkel i tidsskrift (Fagfellevurdert)
  • 3.
    Csjernyik, Gábor
    et al.
    Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för organisk kemi.
    Bäckvall, Jan-Erling
    Notheisz, Ferenc
    Zsigmond, Ágnes
    Ruthenium-Catalyzed Aerobic Oxidation of Alcohols on Zeolite-Encapsulated Cobalt Salophen Catalyst2002Inngår i: Topics in catalysis, ISSN 1022-5528, Vol. 19, nr 1, s. 119-124Artikkel i tidsskrift (Fagfellevurdert)
  • 4.
    Csjernyik, Gábor
    et al.
    Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för organisk kemi.
    Bäckvall, Jan-Erling
    Éll, Alida H
    Fadini, Luca
    Pugin, Benoit
    Efficient Ruthenium-Catalyzed Aerobic Oxidation of Alcohols Using a Biomimetic Coupled Catalytic System2002Inngår i: Journal of Organic Chemistry, ISSN 0022-3263, Vol. 67, nr 5, s. 1657-1662Artikkel i tidsskrift (Fagfellevurdert)
  • 5.
    Franzén, Johan
    et al.
    Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för organisk kemi.
    Löfstedt, Joakim
    Dorange, Ismet
    Bäckvall, Jan E.
    Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för organisk kemi.
    Allenes as Carbon Nucleophiles in Palladium-Catalyzed Reactions: Observation of anti Attack of Allenes on (p-Allyl)Palladium Complexes2002Inngår i: Journal of the American Chemical Society, ISSN 0002-7863, E-ISSN 1520-5126, Vol. 124, nr 38, s. 11246-11247Artikkel i tidsskrift (Fagfellevurdert)
  • 6. Ghanem, Raed
    et al.
    Xu, Yunhua
    Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för organisk kemi.
    pan, Jie
    Hoffmann, Tobias
    Andersson, Johan
    Polivka, Tomas
    Pascher, Torbjörn
    Styring, Stenbjörn
    Sun, Licheng
    Sundström, Villy
    Light-driven Tyrosine Radical Formation in a Ruthenium-Tyrosine Complex Attached to Nanoparticle TiO22002Inngår i: Inorganic Chemistry, ISSN 0020-1669, Vol. 41, nr 24, s. 6258-6266Artikkel i tidsskrift (Fagfellevurdert)
  • 7.
    Kjellgren, Johan
    et al.
    Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för organisk kemi.
    Szabó, Kálmán J.
    Synthesis of stereodefined vinyl-tetrahydropyran and vinyl-octahydrochromene derivatives via acetalization-cyclization of allylsilanes with aldehydes: Origin of the high stereoselectivity2002Inngår i: Tetrahedron Letters, ISSN 0040-4039, E-ISSN 1359-8562, Vol. 43, nr 6, s. 1123-1126Artikkel i tidsskrift (Fagfellevurdert)
  • 8.
    Kullberg, Martin
    et al.
    Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för organisk kemi.
    Bollmark, Martin
    Stawinski, Jacek
    Triphenyl phosphoroselenoate - a new selenizing agent for P(III) compounds2002Inngår i: Collection Symposium Series, Vol. 5, s. 290-294Artikkel i tidsskrift (Fagfellevurdert)
  • 9.
    Larsson, Andreas
    et al.
    Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för organisk kemi.
    Ulicny, Jozef
    Laaksonen, Aatto
    Widmalm, Göran
    Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för organisk kemi.
    Analysis of NMR J couplings in partially protected galactopyranosides*2002Inngår i: Organic Letters, ISSN 1523-7052, Vol. 4, nr 11, s. 1831-1834Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Hydrogen bond mediated NMR J couplings offer additional structural information. The interpretation of these usually small hJ couplings are,however, not necessarily straightforward. In the present case of a carbohydrate system, a four-bond classical W coupling, 4JHO4,H5, is morereasonable on the basis of, in particular, density functional theory calculations of spin-spin coupling constants at the UB3LYP/6-311G** levelof theory.

  • 10.
    Nilsson, Johan
    et al.
    Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för organisk kemi.
    Stawinski, Jacek
    Oxidative Coupling of H-Phosphonate and H-Phosphonothioate Diesters: Iodine as a Reagent and a Catalyst2002Inngår i: Collection Symposium Series, Vol. 5, s. 87-92Artikkel i tidsskrift (Fagfellevurdert)
  • 11.
    Norinder, Jakob
    et al.
    Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för organisk kemi.
    Cotton, Hanna K.
    Bäckvall, Jan-Erling
    An Efficient Route to Pentasubstituted Acylferrocenes2002Inngår i: Journal of Organic Chemistry, Vol. 67, nr 25, s. 9096 -9098Artikkel i tidsskrift (Fagfellevurdert)
  • 12. Pan, Jie
    et al.
    Benkö, Gabor
    Xu, Yunhua
    Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för organisk kemi.
    Pascher, Torbjörn
    Sun, Licheng
    Sundström, Villy
    Polivka, Tomas
    Photoinduced Electron Transfer between a Carotenoid and TiO2 Nanoparticle2002Inngår i: Journal of the American Chemical Society, ISSN 0002-7863, Vol. 124, nr 46, s. 13949-13957Artikkel i tidsskrift (Fagfellevurdert)
  • 13. Pastor, Isidro
    et al.
    Västilä, Patrik
    Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för organisk kemi.
    Adolfsson, Hans
    Novel simple and highly modular ligands for the efficient asymmetric transfer-hydrogenation of ketones2002Inngår i: Chemical Communications, ISSN 1359-7345, nr 18, s. 2046-2047Artikkel i tidsskrift (Fagfellevurdert)
  • 14. Pàmies, Oscar
    et al.
    Éll, Alida H
    Samec, Joseph S M
    Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för organisk kemi.
    Hermanns, Nina
    Bäckvall, Jan-E
    An efficient and mild ruthenium-catalyzed racemization of amines: application to the synthesis of enantiomerically pure amines.2002Inngår i: Tetrahedron letters, ISSN 0040-4039, Vol. 43, nr 26, s. 4699-Artikkel i tidsskrift (Fagfellevurdert)
  • 15.
    Runmo, Ann-Britt L.
    et al.
    Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för organisk kemi.
    Pamies, Oscar
    Faber, Kurt
    Bäckvall, Jan-Erling
    Dynamic Kinetic Resolution of γ-Hydroxy acid Derivatives2002Inngår i: Tetrahedron Letters, ISSN 0040-4039, Vol. 43, nr 16, s. 2983-2986Artikkel i tidsskrift (Fagfellevurdert)
  • 16.
    Samec, Joseph S M
    et al.
    Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för organisk kemi.
    Bäckvall, Jan-E
    Ruthenium-catalyzed transfer hydrogenation of imines by propan-2-ol in benzene2002Inngår i: Chemistry - A European Journal, ISSN 0947-6539, Vol. 8, nr 13, s. 2955-2961Artikkel i tidsskrift (Fagfellevurdert)
  • 17. Schmitt, Heimo
    et al.
    Lomoth, Reiner
    Magnuson, Ann
    Park, Jonathan
    Fryxelius, Jacob
    Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för organisk kemi.
    Kritikos, Mikael
    Mårtensson, Jerker
    Hammarström, Leif
    Sun, Licheng
    Åkermark, Björn
    Synthesis, Redox Properties, and EPR of Manganese(III) Complexes of the Ligand N,N-bis(2-Hydroxybenzyl)-N´-2-hydroxybenzylidene-1,2-diaminoethane: Formation of Mononuclear, Dinuclear, and even Higher Nuclearity Complexes2002Inngår i: Chemistry - A European Journal, Vol. 8, nr 16, s. 3757-3768Artikkel i tidsskrift (Fagfellevurdert)
  • 18.
    Wallner, Olov
    et al.
    Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för organisk kemi.
    Szabó, Kálmán J
    Regioselective Palladium-Catalyzed Electrophilic Allylic Substitution in the Presence of Hexamethylditin2002Inngår i: Organic letters, ISSN 1523-7060, Vol. 4, nr 9, s. 1563-1566Artikkel i tidsskrift (Fagfellevurdert)
  • 19.
    Winqvist, Anna
    Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för organisk kemi.
    Studies towards a method for incorporation of 3'-deoxy-3'-C-methylenephosphonate linkages into oligonucleotides2002Doktoravhandling, med artikler (Annet vitenskapelig)
    Abstract [en]

    Synthetic strategies towards 3’-deoxy-3’-C-methylenephosphinate building blocks were explored. The key transformations involved stereoselective hydroboration of 1-[2-O-(tert-butyldimethylsilyl-5-O-(4-methoxytrityl)-3-deoxy-3-C-methylene- ß -D-erythro-pentofuranosyl]uracil to give the corresponding 3’-deoxy-3’-C- hydroxymethyl derivative with ribo-configuration, as well as the further conversion into a precursor with a suitable leaving group, e. g., triflate, for subsequent substitution with the phosphinic acid synthon bis(trimethylsilyl)hypophosphite. Improvements of these steps enabled synthesis of 2’-O-(tert-butyldimethylsilyl-5’-O-( 4-methoxytrityl)-3’-deoxy-3’-C-methylenephosphinate uridine in a respectable overall yield of 40% over 6 steps, from the corresponding 2’-O-(tert-butyldimethylsilyl- 5’-O-(4-methoxytrityl)uridine.

    For the introduction of internucleosidic 3’-deoxy-3’-C-methylenephosphonate linkages into oligonucleotides, a preparatory study of the elongation steps, i. e., coupling of the phosphinate building block to the 5’-hydroxyl function of a nucleoside derivative and subsequent oxidation, was performed. Of several coupling reagents studied for the activation of the phosphinate building block prior to coupling, the most promising proved to be N,N-bis(2-oxo-3-oxazolidin-1-yl)phosphinic chloride. The oxidation of the resulting 3’-deoxy-3’-C-methylenephosphinate ester to the corresponding 3’-deoxy-3’-C-methylenephosphonate linkage was achieved using iodine in pyridine-water, in the presence of a catalyst, i. e., either a base (triethylamine) or an acid (pyridinium salt).

  • 20. Éll, Alida H
    et al.
    Samec, Joseph S M
    Stockholms universitet, Naturvetenskapliga fakulteten, Institutionen för organisk kemi.
    Brasse, Claudia
    Bäckvall, Jan-E
    Dehydrogenation of aromatic amines to imines via ruthenium-catalyzed hydrogen transfer2002Inngår i: Chemical Communications, ISSN 1359-7345, nr 10, s. 1144 - 1145Artikkel i tidsskrift (Fagfellevurdert)
1 - 20 of 20
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