Pt(ii)-Chiral diene-catalyzed enantioselective formal [4 + 2] cycloaddition initiated by C-C bond cleavage and elucidation of a Pt(ii)/(iv) cycle by DFT calculations

Takanori Shibata*, Natsumi Shiozawa, Shun Nishibe, Hideaki Takano, Satoshi Maeda

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

A chiral Pt(ii) complex was readily prepared from [PtCl2(C2H4)]2 and Hayashi's diene. Its dicationic derivative efficiently catalyzed a formal intramolecular [4 + 2] cycloaddition of biphenylenes possessing substituted arylalkynes tethered by an ortho-phenylene moiety at ambient temperature and axially chiral cycloadducts were obtained in excellent yields and ees. A study of the DFT calculations revealed a Pt(ii)/(iv) cycle including oxidative addition of biphenylene along with C-C bond cleavage. This journal is

Original languageEnglish
Pages (from-to)6985-6991
Number of pages7
JournalOrganic Chemistry Frontiers
Volume8
Issue number24
DOIs
Publication statusPublished - 2021 Dec 21

ASJC Scopus subject areas

  • Organic Chemistry

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