Regioselective synthesis of [60]fullerene eta 5-indenide R3C60- and eta 5-cyclopentadienide R5C60- bearing different R groups.
Treatment of a 1,7-diorgano[60]fullerene with Grignard reagents or organocopper reagents affords a [60]fullerene indenide or a [60]fullerene cyclopentadienide regioselectively in good to excellent yields. These reactions gave an insight into the reaction mechanism of the organocopper penta-addition reaction of [60]fullerene, giving [60]fullerene cyclopentadienide in quantitative yield.
Toganoh
Motoki
M
Department of Chemistry, University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan.
Suzuki
Kazuhiro
K
Udagawa
Rie
R
Hirai
Atsushi
A
Sawamura
Masaya
M
Nakamura
Eiichi
E