Nucleoside H-Phosphonates. 17. Synthetic and (31)P NMR Studies on the Preparation of Dinucleoside H-Phosphonothioates |
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Authors: | Zain Rula Stawinski Jacek |
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Institution: | Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, S-106 91 Stockholm, Sweden. |
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Abstract: | Formation of H-phosphonothioate diesters via condensation of H-phosphonate monoesters with a hydroxylic component in the presence of various coupling agents and possible side reactions that may accompany this process were studied using (31)P NMR spectroscopy. Optimal reaction conditions, which eliminate or significantly suppress the side reactions, have been designed and assessed in syntheses of dinucleoside H-phosphonothioate diesters. |
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