ChemInform Abstract: Annulation of Alkynyl Aryl Ethers with Allyl Pivalates to Give 2,3‐Bismethylenechromanes Through Double C—H Bond Cleavage

ChemInform Abstract: Annulation of Alkynyl Aryl Ethers with Allyl Pivalates to Give 2,3‐Bismethylenechromanes Through Double C—H Bond Cleavage

The treatment of silylethynyloxyarenes with allylic pivalates in the presence of a palladium catalyst leads to efficient C—H bond cleavage in both substrates and a novel annulation reaction to give 2,3‐bismethylenechromanes.

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Veröffentlicht in:ChemInform 2016-11, Vol.47 (48), p.no-no
Hauptverfasser: Minami, Yasunori, Sakai, Megumi, Anami, Tomohiro, Hiyama, Tamejiro
Format: Artikel
Sprache:eng
Schlagworte:
benzopyran derivatives
ring closure reactions, annulation reactions
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Zusammenfassung:The treatment of silylethynyloxyarenes with allylic pivalates in the presence of a palladium catalyst leads to efficient C—H bond cleavage in both substrates and a novel annulation reaction to give 2,3‐bismethylenechromanes.
ISSN:0931-7597
1522-2667
DOI:10.1002/chin.201648157