Metallahelicenes: Easily Accessible Helicene Derivatives with Large and Tunable Chiroptical Properties
作者:Lucie Norel、Mark Rudolph、Nicolas Vanthuyne、J. A. Gareth Williams、Christophe Lescop、Christian Roussel、Jochen Autschbach、Jeanne Crassous、Régis Réau
DOI:10.1002/anie.200905099
日期:2010.1.4
Enantiopure metallahelicenes have been prepared by cyclometalation of 2‐pyridyl‐substituted benzophenanthrenes followed by resolution using chiral HPLC. They are red phosphors at room temperature and their chiroptical properties can be modulated by oxidation of the metal center to the oxidation state IV.
通过对2-
吡啶基取代的苯并
菲进行环
金属化,然后使用手性HPLC拆分,可制得对映体纯的
金属异
戊烯酮。它们在室温下为红色
磷光体,并且可以通过将
金属中心氧化至氧化态IV来调节其手性。