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A new direct method for introducing 2-(2,4,6-tri-t-butylphenyl)-2-phosphavinylidene group. Formation of 1-phospha- and 1,3-diphospha-allenes

✍ Scribed by Masaaki Yoshifuji; Shigeru Sasaki; Naoki Inamoto

Publisher: Elsevier Science
Year: 1989
Tongue: French
Weight: 259 KB
Volume: 30
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(01)80630-4

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A convenient new route from diphosphene

A convenient new route from diphosphene to 1,3-diphospha-allene and dynamic NMR studies of the 2,4,6-tri-t-butylphenyl derivative

✍ Masaaki Yoshifuji; Shigeru Sasaki; Takashi Niitsu; Naoki Inamoto 📂 Article 📅 1989 🏛 Elsevier Science 🌐 French ⚖ 115 KB

## Addition of dihalocarbenes to a diphosphene gave diphosphiranes which undergo rearrangement on treatment with alkyllithium reagents to afford 1,3-diphospha-allene; dynamic NMR studies on the allene are described.