Rotational isomers of a 1,2-diphenyl-3,4-diphosphinidenecyclobutene

Masaaki Yoshifuji, Yoshito Ichikawa, Kozo Toyota, Eiji Kasashima, Yoshio Okamoto

Research output: Contribution to journalArticlepeer-review

30 Citations (Scopus)


The group-6 metal tetracarbonyl complexes of 3,4-diphosphinidenecyclobutenes protected with the 2,4-di-t-butyl-6-methylphenyl group were prepared and one of the rotamers, ligated with W(CO)4, was confirmed by X-ray analysis while the other was analyzed by a chiral HPLC column.

Original languageEnglish
Pages (from-to)87-88
Number of pages2
JournalChemistry Letters
Issue number1
Publication statusPublished - 1997


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