光致变色
化学
二芳基乙烯
异构化
部分
分子开关
三吡啶
离子
结晶学
铜
配体(生物化学)
光化学
联吡啶
立体化学
晶体结构
分子
催化作用
有机化学
金属
生物化学
受体
作者
Jorge Salinas‐Uber,Leoní A. Barrios,Marta Estrader,Olivier Roubeau,Guillem Aromı́
标识
DOI:10.1002/ejic.201901141
摘要
We present here the design and preparation of several discrete coordination complexes exhibiting two Cu(II) ions separated by a dithienylcyclopentene as a photoswitchable spacer, proposed as models of molecular √SWAP quantum gates. These models use the two Cu(II) ions as realizations of qubits and the spacer as a light switch intended to trigger the gate by reversibly undergoing a ring closing isomerization. For this, a dicarboxylate species with a central diarylethene, H 2 L1, has been used, together with bipyridine or phenantroline as capping ligands. Also, a new dinucleating ligand containing the photoactive moiety between two tridentate coordinating pockets, H 4 L2, has been designed and prepared for the same purpose. The four complexes have been characterized by single‐crystal X‐ray diffraction. Three of them exhibit reversible photoswitching in solution.
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