Reactions of 1,2-di(2-thienyl)-3,4-bis[(2,4,6-tri-t-butylphenyl)phosphinidene]cyclobu tene

Akitake Nakamura, Subaru Kawasaki, Kozo Toyota, Masaaki Yoshifuji

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)


Reactions of a sterically protected 1,2-di(2-thienyl)-3,4-bis[(2,4,6-tri-t-butylphenyl)phosphinidene]cyclobu tene were investigated. The diphosphinidenecyclobutene reacted with elemental sulfur or transition metal reagents to form a thiaphosphirane derivative or the corresponding transition metal complexes, respectively. Reactions of the di(2-thienyl)diphosphinidenecyclobutene with butyllithium followed by treatment with electrophiles afforded functionalized di(2-thienyl)diphosphinidenecyclobutene derivatives.

Original languageEnglish
Pages (from-to)70-78
Number of pages9
JournalJournal of Organometallic Chemistry
Issue number1-3
Publication statusPublished - 2007 Jan 1


  • Bidentate ligand
  • Phosphaalkenes
  • Steric and strain effects


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