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

✍ Scribed by Masaaki Yoshifuji; Shigeru Sasaki; Takashi Niitsu; Naoki Inamoto

• Publisher: Elsevier Science
• Year: 1989
• Tongue: French
• Weight: 115 KB
• Volume: 30
• Category: Article
• ISSN: 0040-4039
• DOI: 10.1016/s0040-4039(00)95155-4

✦ Synopsis

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.