Synthesis of Ribonucleosidic Dimers with an Amide Linkage from d-Xylose.

J Org Chem

Université de Nantes, CEISAM-UMR CNRS 6230, Faculté des Sciences et des Techniques, 2 rue de la Houssinière, BP 92208, 44322 Nantes Cedex 3, France.

Published: November 2016

An original and efficient stereocontrolled synthesis of ribonucleosidic homo- and heterodimers has been achieved from inexpensive d-xylose. This successful strategy involved the sequential introduction of nucleobases, using two stereocontrolled N-glycosidation reactions, from a common two-furanoside amide-linked scaffold offering the possibility of obtaining any given base sequence. The pertinence of this approach is illustrated through the preparation of the homodimers UU-34 and TT-35 in 18 steps with an excellent overall yield of more than 10% from d-xylose, while the heterodimer route led to UT-39 in 19 steps with around 10% overall yield.

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Source
http://dx.doi.org/10.1021/acs.joc.6b01822DOI Listing

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