| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for producing a molecular nanotube having a higher molecular weight in a higher yield by separately performing a crosslinking reaction between cyclodextrin molecules and the deprotecting reaction of stopper substituents. SOLUTION: A polyrotaxane is synthesized by making an inclusion complex, called a molecular necklace, composed of a polymer as a core 10 and cyclodextrin molecules 20 surrounding the polymer and attaching substituents 30 (e.g., 2,4-dinitrofluorobenzene) larger than the inside diameter of the cavity of the cyclodextrin molecule. Thereafter, the polyrotaxane is subjected to crosslinking in an organic solvent and is then subjected to deprotection. The solubility is improved by introducing side chains into the cyclodextrin polymer. COPYRIGHT: (C)2006,JPO&NCIPI
|
