Novel pi-expanded radialene macrocycles with inner cavity.
[structure: see text] Polyenyne macrocycles with pi-extended [9]- and [12]radialene frameworks have been synthesized. These radialenes exhibit restricted rotation of the aromatic rings, and the D3- and D4-symmetric structures in solutions have been determined by dynamic NMR. The macrocyclic radialenes bear small to medium inner cavities, and the small cavity of the pi-extended [9]radialene can incorporate a silver cation.
Iyoda
Masahiko
M
Department of Chemistry, Graduate School of Science, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan. iyoda-masahiko@c.metro-u.ac.jp
Kuwatani
Yoshiyuki
Y
Yamagata
Sachiko
S
Nakamura
Nobuko
N
Todaka
Mie
M
Yamamoto
Gaku
G