Preparation of sterically protected 3,4-bis[(2,4,6-tri-tert-butylphenyl)-phosphinidene]cyclobutene derivatives having ring-fused structures

Naoki Yamada, Keita Abe, Kozo Toyota, Masaaki Yoshifuji

Research output: Contribution to journalArticlepeer-review

26 Citations (Scopus)

Abstract

(Formula Presented) Sterically protected 3,4-diphosphinidenecyclobutenes, having ring-fused structures, were prepared. Structures of 8,9-bis[(2,4,6-tri-tert-butylphenyl)-phosphinidene]bicyclo[5.2.0]non-1(7)-ene and its dichloropalladium(II) complex were analyzed by X-ray crystallography. A geometrical change induced by the complex formation was exhibited by X-ray crystallographic analysis. The geometrical change in solution was also suggested by 1H NMR spectroscopy in CDCl3.

Original languageEnglish
Pages (from-to)569-572
Number of pages4
JournalOrganic letters
Volume4
Issue number4
DOIs
Publication statusPublished - 2002 Feb 21

ASJC Scopus subject areas

  • Biochemistry
  • Physical and Theoretical Chemistry
  • Organic Chemistry

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