Cu(I)-catalyzed oxidative cyclization of alkynyl oxiranes and oxetanes

Colombe Gronnier; S. Kramer; Yann Odabachian; Fabien Gagosz

doi:10.1021/ja209866a

Journal articles

Cu(I)-catalyzed oxidative cyclization of alkynyl oxiranes and oxetanes

Colombe Gronnier ¹ S. Kramer ² Yann Odabachian ¹ Fabien Gagosz ^{1, *}

* Corresponding author

1 DCSO - Laboratoire de synthèse organique

2 Department of Chemistry [Aarhus]

Abstract : In the presence of a Cu(I) catalyst and a pyridine oxide, alkynyl oxiranes and oxetanes can be converted into functionalized five- or six-membered a,ß-unsaturated lactones or dihydrofuranaldehydes. This new oxidative cyclization is proposed to proceed via an unusual allenyloxypyridinium intermediate. © 2011 American Chemical Society.

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Journal articles

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Chemical Sciences / Organic chemistry

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Cu(I)-catalyzed oxidative cyclization of alkynyl oxiranes and oxetanes

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