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Selectivity in C-alkylation of dianions of protected 6-methyluridine

Identifieur interne : 000B15 ( Main/Exploration ); précédent : 000B14; suivant : 000B16

Selectivity in C-alkylation of dianions of protected 6-methyluridine

Auteurs : Ngoc Hoa Nguyen [France] ; Christophe Len [France] ; Anne-Sophie Castanet [France] ; Jacques Mortier [France]

Source :

RBID : PMC:3182432

Abstract

Summary

A regioselective synthesis of 6-ω-alkenyluridines 3, precursors of potent antiviral and antitumor cyclonucleosides 5, is described. While ω-alkenyl halides do not alkylate 6-lithiouridine, compounds 3 were prepared in a regioselective manner by sequential treatment of 6-methyluridine 2 with LTMP or LDA (4 equiv) in THF at −30 °C followed by alkylation with ω-alkenyl bromides.


Url:
DOI: 10.3762/bjoc.7.143
PubMed: 21977207
PubMed Central: 3182432


Affiliations:


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