Novel host-guest organogels as stabilized by the formation of crown-ammonium pseudo-rotaxane complexes.
A dibenzo-24-crown-8 derivative bearing two cholesterol groups is either insoluble in or precipitates from most organic solvents, but its pseudo-rotaxane complex with a diammonium guest acts as a good gelator of aromatic solvents.
Kawano
Shin-ichiro
S
Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan.
Fujita
Norifumi
N
Shinkai
Seiji
S