Sulfur Ylide Initiated [4 + 1]/[4 + 2] Annulation Reactions: A One-Pot Approach to Dibenzofuran Acrylate Derivatives

A one-pot approach has been developed for the synthesis of polysubstituted dibenzofuran acrylate derivatives from (E)-2-(2-nitrovinyl)­phenols, sulfur ylides, and alkynes. This protocol was carried out under mild reaction condition without any precious catalysts in generally moderate to good yields....

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Veröffentlicht in:Organic letters 2019-08, Vol.21 (16), p.6370-6373
Hauptverfasser: Shao, Jiaan, Chen, Wenteng, Ying, Zhimin, Liu, Shuangrong, Luo, Feng, Ou, Lili
Format: Artikel
Sprache:eng
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Zusammenfassung:A one-pot approach has been developed for the synthesis of polysubstituted dibenzofuran acrylate derivatives from (E)-2-(2-nitrovinyl)­phenols, sulfur ylides, and alkynes. This protocol was carried out under mild reaction condition without any precious catalysts in generally moderate to good yields. Additionally, a plausible mechanism for the transformation was proposed.
ISSN:1523-7060
1523-7052
DOI:10.1021/acs.orglett.9b02260