Rhodium-catalyzed reaction of 1-alkynylphosphines with water yielding (E')-l-alkenylphosphine oxides

Azusa Kondoh, Hideki Yorimitsu, Koichiro Oshima

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Treatment of 1-alkynylphosphines with a rhodium catalyst in l,4-dioxane/H20 at reflux provides (E)-1 -alkenyl-phosphine oxides in good yields with perfect stereoselectivity. The reaction proceeds as follows. Oxidative addition of 1 -alkynylphosphine to rhodium followed by hydrolysis yields the corresponding terminal alkyne and diphenylphos-phine oxide. Rhodium-catalyzed hydrophosphinylation of the terminal alkyne then proceeds to afford (E)-1 -alkenylphosphine oxide.

Original languageEnglish
Pages (from-to)502-505
Number of pages4
JournalBulletin of the Chemical Society of Japan
Volume81
Issue number4
DOIs
Publication statusPublished - 2008 Dec 1
Externally publishedYes

ASJC Scopus subject areas

  • Chemistry(all)

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