一种三稳态[2]假轮烷。
A tristable [2]pseudo[2]rotaxane.
机构信息
Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, IL 60202, USA.
出版信息
Chem Commun (Camb). 2010 Feb 14;46(6):871-3. doi: 10.1039/b918321c. Epub 2010 Jan 7.
A strategy towards increasing the lifetime of the metastable state of a [2]rotaxane incorporating tetrathiafulvalene, 1,5-dioxynaphthalene and bipyridinium (BIPY(2+)) is presented. Incorporation of BIPY(2+) served multiple roles as an electrostatic barrier to relaxation, a supramolecular recognition site for bis-1,5-dioxynaphthalene[38]crown-10 macrocycle, and upon reduction a recognition site for the mechanically bonded cyclobis(paraquat-p-phenylene) ring.
介绍了一种提高包含四硫富瓦烯、1,5-二氧萘和联吡啶（BIPY(2+)）的[2]轮烷亚稳态寿命的策略。BIPY(2+)的掺入起到了多种作用，如静电松弛屏障、双 1,5-二氧萘[38]冠-10 大环的超分子识别位点，以及还原后的机械键合环丁基（对苯撑二聚体）环的识别位点。
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