Synthesis and photoinduced isomerization of ansa-{η5,η5’-[1,1’-(1-silacyclopent-3-ene-1,1-diyl)bis(indenyl)]}dichlorozirconium. Crystal structure of its meso-formстатьяИсследовательская статья
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Дата последнего поиска статьи во внешних источниках: 19 июля 2013 г.
Аннотация:ansa-{h5,h5'-[1,1-(1-Silacyclopent-3-ene-1,1-diyl)bis(indenyl)]}dichlorozirconium (la,b) was synthesized. The crystal structure of meso-[(1,4-CH2CH=CHCH2)SI(C9H6)2ZrCl2] (lb) was established by X-ray diffraction analysis. Photoinduced interconversion of the racemic (la) and meso forms was studied under various conditions. The photostationary state (rac : meso = 55 : 45) was established rapidly when solutions of ansa-zirconocene were irradiated with visible light.