Synthesis 2017; 49(05): 1087-1092
DOI: 10.1055/s-0036-1588325
paper
© Georg Thieme Verlag Stuttgart · New York

Efficient Synthesis of Orthogonally Protected Rare l-Hexoses and Derivatives

Authors

  • Estefanía Dibello

    Organic Chemistry Department, Facultad de Química, Universidad de la República (UdelaR), Av. Gral. Flores 2124, 11800 Montevideo, Uruguay   eMail: dgamenar@fq.edu.uy   eMail: gseoane@fq.edu.uy
  • Daniela Gamenara*

    Organic Chemistry Department, Facultad de Química, Universidad de la República (UdelaR), Av. Gral. Flores 2124, 11800 Montevideo, Uruguay   eMail: dgamenar@fq.edu.uy   eMail: gseoane@fq.edu.uy
  • Gustavo A. Seoane*

    Organic Chemistry Department, Facultad de Química, Universidad de la República (UdelaR), Av. Gral. Flores 2124, 11800 Montevideo, Uruguay   eMail: dgamenar@fq.edu.uy   eMail: gseoane@fq.edu.uy
Weitere Informationen

Publikationsverlauf

Received: 01. Juli 2016

Accepted after revision: 14. September 2016

Publikationsdatum:
13. Oktober 2016 (online)


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Abstract

Stereoselective preparations of protected rare sugars and derivatives, namely l-psicose, l-altritol, and l-talose have been achieved in 70, 44, and 18% yield, respectively, from an orthogonally protected l-glyceraldehyde derivative. The key step is the stereoselective proline-catalyzed aldol reaction of this aldehyde with dioxanone.

Supporting Information