Facile synthesis of 3, 3′-disubstituted 2, 2′-binaphthyls by transition-metal-catalyzed double benzannulation

Rui Umeda, Hiromasa Tabata, Tobe Yoshito, Yutaka Nishiyama*

*Corresponding author for this work

Research output: Contribution to journalArticle

9 Scopus citations

Abstract

3, 3′-Disubstituted 2, 2′-binaphthyls were prepared by the Cuor Re-catalyzed double benzannulation reaction of 2-(phenylethynyl) benzaldehyde with various butadiynes in the presence of trichloroacetic acid, in moderate to good yields. Acceleration of the second benzannulation was clearly observed.

Original languageEnglish
Pages (from-to)883-884
Number of pages2
JournalChemistry Letters
Volume43
Issue number6
DOIs
StatePublished - 1 Jan 2014

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