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'Carbohydrates' in keywords Facet   Publication Year 1999  [X]
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1999[X]
1Author    R. En, C. Su, PetraD. Örrb, M. Artin, K. Ühnb, ClausK. Rieger0, M. Ikhael, Y. A. Ntip In DRequires cookie*
 Title    Chiral Pool Synthesis of 4a-Substituted Carbocyclic Cyclopentanoid Nucleoside Precursors, I  
 Abstract    A suitable protected D-ribono-1,4-lactone derivative has been used for the straightforward chiral pool synthesis of cyclopentanoid nucleoside precursors. Thus, epoxidation followed by deoxygenation or regioselective ring opening led to nucleoside precursors modified at the positions C(4), C(4a) and C(4,4a) as well as side-chain modified derivatives. The structures of the key intermediates were determined by X-ray analyses. 
  Reference    Z. Naturforsch. 54b, 1068—1078 (1999); received May 21 1999 
  Published    1999 
  Keywords    Nucleosides, Carbohydrates, X-Ray Data 
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 TEI-XML for    default:Reihe_B/54/ZNB-1999-54b-1068.pdf 
 Identifier    ZNB-1999-54b-1068 
 Volume    54 
2Author    Z. NaturforschRequires cookie*
 Title    Chiral Pool Synthesis of 4a-Substituted Carbocyclic Cyclopentanoid Nucleoside Precursors, II  
 Abstract    Suitable protected 4,4a-anhydro-cyclopentane derivatives have been used for the straight­ forward of cyclopentanoid nucleoside precursors. Thus, by simple transformations nucleoside precursors modified at the positions C(4), C(4a) and C(4,4a) as well as side-chain modified derivatives were accessible. The structures of the key intermediates were determined by x-ray analyses. 
  Reference    Z. Naturforsch. 54b, 1079—1091 (1999); received May 27 1999 
  Published    1999 
  Keywords    Nucleosides, Carbohydrates, X-Ray Data 
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 TEI-XML for    default:Reihe_B/54/ZNB-1999-54b-1079.pdf 
 Identifier    ZNB-1999-54b-1079 
 Volume    54