Indium-Mediated Preparation of Bis(α-hydroxyallenes) or α,α′-Dihydroxyallenynes and Further Gold-Catalyzed Cyclizations

We present the regio- and diastereoselective Barbier-type allenylation reaction of glyoxals mediated by indium to furnish highly valuable <i>syn</i>-bis(α-hydroxyallenes) and <i>syn</i>-α,α'-dihydroxyallenynes. The gold-catalyzed controlled cyclization of these unsaturated diols enables the divergent preparation of three types of oxacycles.

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Publication Details

Journal
The Journal of Organic Chemistry
Published
2024-09-17
DOI
https://doi.org/10.1021/acs.joc.4c01648
Citations
4
Primary Topic
Catalytic Alkyne Reactions
Type
article
Field-Weighted Citation Impact
1.00

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article

Indium-Mediated Preparation of Bis(α-hydroxyallenes) or α,α′-Dihydroxyallenynes and Further Gold-Catalyzed Cyclizations

Hikaru Yanai, Teresa Martínez del Campo, Sara Cembellín, Pedro Almendros et al.
4 citations
The Journal of Organic Chemistry
Catalytic Alkyne Reactions
1.00
article

Indium-Mediated Preparation of Bis(α-hydroxyallenes) or α,α′-Dihydroxyallenynes and Further Gold-Catalyzed Cyclizations

Hikaru Yanai, Teresa Martínez del Campo, Sara Cembellín, Pedro Almendros, Daniel San Martín, Eva Cerrón, Laura Gamarra
article en
4 citations

Abstract

We present the regio- and diastereoselective Barbier-type allenylation reaction of glyoxals mediated by indium to furnish highly valuable <i>syn</i>-bis(α-hydroxyallenes) and <i>syn</i>-α,α'-dihydroxyallenynes. The gold-catalyzed controlled cyclization of these unsaturated diols enables the divergent preparation of three types of oxacycles.

The Journal of Organic ChemistryVol. 89(19)
Universidad Complutense de Madrid (ES), Tokyo University of Pharmacy and Life Sciences (JP), Instituto de Química Orgánica General (ES)
Universidad Complutense de Madrid, Ministerio de Ciencia e Innovación, Japan Society for the Promotion of Science, Agencia Estatal de Investigación
Openalex Percentile: Top 27%
Catalytic Alkyne Reactions
1.00
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