Sitzmann, Helmut; Boese, Roland:

Synthesis and structure of the pentaisopropylcyclopentadienyl radical.

In: Angewandte Chemie, Jg. 103 (1991) ; Nr. 8, S. 1027-9
ISSN: 0044-8249
Zeitschriftenaufsatz / Fach: Chemie
The title radical (I) was obtained in 36% yield by treating pentaisopropylcyclopentadienylsodium with FeCl2. I was easily oxidized to tetraisopropylcyclopentadienone (II). Crystal structures are reported for I and II.