Serveur d'exploration sur le LRGP

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

Identifieur interne : 000217 ( Ncbi/Merge ); précédent : 000216; suivant : 000218

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

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Links to Exploration step

PMC:3182432

Le document en format XML

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<bold>3</bold>
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<bold>5</bold>
, is described. While ω-alkenyl halides do not alkylate 6-lithiouridine, compounds
<bold>3</bold>
were prepared in a regioselective manner by sequential treatment of 6-methyluridine
<bold>2</bold>
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<name sortKey="Mortier, Jacques" sort="Mortier, Jacques" uniqKey="Mortier J" first="Jacques" last="Mortier">Jacques Mortier</name>
</author>
</analytic>
<series>
<title level="j">Beilstein journal of organic chemistry</title>
<idno type="eISSN">1860-5397</idno>
<imprint>
<date when="2011" type="published">2011</date>
</imprint>
</series>
</biblStruct>
</sourceDesc>
</fileDesc>
<profileDesc>
<textClass></textClass>
</profileDesc>
</teiHeader>
<front>
<div type="abstract" xml:lang="en">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.</div>
</front>
</TEI>
</pubmed>
</double>
</record>

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