Selective Synthesis of a [3]Rotaxane Consisting of Size-Complementary Components and Its Stepwise Deslippage
作者:Yosuke Akae、Hisashi Okamura、Yasuhito Koyama、Takayuki Arai、Toshikazu Takata
DOI:10.1021/ol300578q
日期:2012.5.4
An alpha-cyclodextrin-based size-complementary [3]rotaxane with an alkylene axle was selectively synthesized In one pot via an end-capping reaction with 2-bromophenyl isocyanate In water. Thermal degradation of the [3]rotaxane product yielded not only the original components but also the [2]rotaxane. Thermodynamic studies suggested a stepwise deslippage process.