期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 58, 期 13, 页码 4339-4344出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201900789
关键词
iron complexes; photochromism; self-assembly; spin-crossover; supramolecular chemistry
资金
- Nankai University
- National Natural Science Foundation of China (NSFC) [21701088, 21531005]
- National Science Foundation of Tianjin City [17JCYBJC41000]
We report three self-assembled iron complexes that comprised an anti-parallel open form (o-L-anti), a parallel open form (o-L-syn), and a closed form (c-L) of diarylethene conformers. Under kinetic control, Fe-2(II)(o-L-anti)(3) was isolated, which exhibited a dinuclear structure with diamagnetic properties. Under light-irradiation control, Fe-2(II)(c-L)(3) was prepared and exhibited paramagnetism and spin-crossover behaviour. Under thermodynamic control and in the presence of indispensable [Fe-III(Tp*)(CN)(3)](-), Fe-2(II)(o-L-anti)(3) and Fe-2(II)(c-L)(3) transformed into tetranuclear (Fe2Fe2II)-Fe-III(o-L-syn)(2), which exhibited complete spin-crossover behaviour at T-1/2=353K.
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