Poly(2,7-di-n-pentyldibenzofulvene) showing chiroptical properties in the solid state based purely on a chiral conformation.
Poly(2,7-di-n-pentyldibenzofulvene)s with no stereocenters, obtained by anionic polymerization using chiral 9-fluorenyllithium ligand complexes, showed intense circular dichroism in film form due purely to the chiral conformation of the main chain, while no chiroptical properties were detectable in solution.
Nakano
Tamaki
T
PRESTO, Japan Science and Technology Agency (JST), Japan. nakano@ms.aist-nara.ac.jp
Nakagawa
Osamu
O
Tsuji
Masashi
M
Tanikawa
Mitsuru
M
Yade
Tohru
T
Okamoto
Yoshio
Y