Synthesis of terminal-biradical compounds consisting of two N-oxyl groups connected with conjugated π-systems

✍ Scribed by Sigeru Torii; Tomoyuki Hase; Manabu Kuroboshi; Christian Amatore; Anny Jutand; Hiroyuki Kawafuchi

• Book ID: 104258041
• Publisher: Elsevier Science
• Year: 1997
• Tongue: French
• Weight: 173 KB
• Volume: 38
• Category: Article
• ISSN: 0040-4039
• DOI: 10.1016/s0040-4039(97)01732-2

✦ Synopsis

Terminal-biradical compounds 1 having two N-oxyl groups connected with conjugated n-systems were synthesized by (1) addition of magnesium acetylide to 4oxo-TEMPO, followed by dehydration, or (2) cross-coupling between acetylene and vinyl triflate derived from 4-oxo-TEMPO.