Synthesis of Furo[2,3-f]dibenzotropones via Intramolecular Wittig Reaction of Alkylidene Dibenzo-β-tropolones

Po Chung Chien, Yi Ru Chen, You Jie Chen, Ching Fen Chang, Gangababu Marri, Wenwei Lin*

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

摘要

A strategy was developed for synthesizing furan-fused dibenzotropones via intramolecular Wittig reactions of alkylidene dibenzo-β-tropolones and acylating reactants in catalytic or stoichiometric conditions. With these protocols, a series of furo[2,3-f]dibenzotropones were obtained in 49–99% yields within 1–10 hours. Mechanistic studies of the base-free phenomena revealed that the organophosphane acts both as a mediator and a regenerable Brønsted base under heating.

原文英語
頁(從 - 到)420-425
頁數6
期刊Advanced Synthesis and Catalysis
366
發行號3
DOIs
出版狀態已發佈 - 2024 2月 19

ASJC Scopus subject areas

  • 催化
  • 有機化學

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