Synthesis 2018; 50(11): 2266-2280
DOI: 10.1055/s-0037-1609493
paper
© Georg Thieme Verlag Stuttgart · New York

Synthesis of Enantiomerically Pure 1′,2′-cis-dideoxy, -dideoxydi­dehydro, -ribo and -deoxy Carbocyclic Nucleoside Analogues

Authors

  • Simon Weising

    a   Organische Chemie, Fakultät für Mathematik, Informatik und Naturwissenschaften, Universität Hamburg, Martin-Luther-King-Platz 6, 20146 Hamburg, Germany   eMail: chris.meier@chemie.uni-hamburg.de
  • Patrick Dekiert

    a   Organische Chemie, Fakultät für Mathematik, Informatik und Naturwissenschaften, Universität Hamburg, Martin-Luther-King-Platz 6, 20146 Hamburg, Germany   eMail: chris.meier@chemie.uni-hamburg.de
  • Dominique Schols

    b   Katholieke Universiteit Leuven, Rega Institute for Medical Research, Herestraat 49, 3000 Leuven, Belgium
  • Johan Neyts

    b   Katholieke Universiteit Leuven, Rega Institute for Medical Research, Herestraat 49, 3000 Leuven, Belgium
  • Chris Meier*

    a   Organische Chemie, Fakultät für Mathematik, Informatik und Naturwissenschaften, Universität Hamburg, Martin-Luther-King-Platz 6, 20146 Hamburg, Germany   eMail: chris.meier@chemie.uni-hamburg.de

The authors are grateful to Universität Hamburg for financial support.
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Publikationsverlauf

Received: 25. Januar 2018

Accepted after revision: 06. März 2018

Publikationsdatum:
12. April 2018 (online)


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Abstract

We describe a short and stereospecific synthesis of different series of 1′,2′-cis-disubstituted carbocyclic nucleoside analogues. All-natural nucleobases or their precursors are coupled in a microwave-assisted Mitsunobu-type reaction with enantiomerically pure (1R,2S)-2-(benzyloxymethyl)cyclopent-3-enol. By modifying the cyclopentene scaffold, our synthetic strategy gives access to a series of 1′,2′-cis-disubstituted carbocyclic nucleoside analogues of the dideoxy (dd), di­deoxydidehydro (d4) or the ribo series. The ribo series is synthesized in a more convenient way compared to a previous route. The deoxy series of 1′,2′-cis-disubstituted carbocyclic nucleoside analogues is prepared following an earlier reported approach. This synthesis involves the microwave-assisted coupling of (1R,2S,3S)-3-(benzyloxy)-2-[(benzyl­oxy)methyl]cyclopentan-1-ol with the appropriate nucleobases.

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