Dual rhodium/copper catalysis: Synthesis of benzo[: B] fluorenes and 2-naphthalenylmethanones via de-diazotized cycloadditions

Ya Nan Wu, Ting Xu, Rong Fu, Nan Nan Wang, Wen Juan Hao, Shu Liang Wang, Guigen Li, Shu Jiang Tu, Bo Jiang

Research output: Contribution to journalArticle

15 Scopus citations

Abstract

A novel synergistic rhodium/copper catalysis has been established, enabling de-diazotized cycloadditions of 1,5-enynes and α-diazocarbonyls toward the selective formation of densely functionalized benzo[b]fluorenes and 2-naphthalenylmethanones. α-Aryldiazoesters result in the formation of triple C-C bonds through bimetallic catalysis whereas a range of functionalized naphthalenes with a 1,5-dicarbonyl unit were accomplished using α-diazocarbonyls without any substituent at the α-position, indicating that substituents at the α-position of the α-diazocarbonyl unit could control the selectivity of the reaction.

Original languageEnglish
Pages (from-to)11943-11946
Number of pages4
JournalChemical Communications
Volume52
Issue number80
DOIs
StatePublished - 2016

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