Linear oligomers composed of a photochromically contractible and extendable Janus [2]rotaxane.
The synthesis and characterization of N,N'-p-xylylene-linked oligo-Janus [2]rotaxanes based on a permethylated alpha-cyclodextrin and their contractible and extendable nature coupled with photochromism are described.
Tsuda
Susumu
S
Institute of Scientific and Industrial Research, Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka, 567-0047, Japan.
Aso
Yoshio
Y
Kaneda
Takahiro
T