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A cis,fac-[RuCl2(DMSO)3(H2O)] complex exhibits ultrafast photochemical aquation/rearrangement
Photochemical & Photobiological Sciences ( IF 2.7 ) Pub Date : 2018-07-30 00:00:00 , DOI: 10.1039/c8pp00232k Svetlana G. Matveeva 1, 2, 3 , Anton A. Shushakov 1, 2, 2, 3, 4 , Ivan P. Pozdnyakov 1, 2, 2, 3, 4 , Vjacheslav P. Grivin 1, 2, 2, 3, 4 , Victor F. Plyusnin 1, 2, 2, 3, 4 , Danila B. Vasilchenko 2, 2, 3, 4, 5 , Andrei V. Zadesenets 2, 2, 3, 4, 5 , Alexei A. Melnikov 3, 6, 7, 8 , Sergei V. Chekalin 3, 6, 7, 8 , Evgeni M. Glebov 1, 2, 2, 3, 4
Photochemical & Photobiological Sciences ( IF 2.7 ) Pub Date : 2018-07-30 00:00:00 , DOI: 10.1039/c8pp00232k Svetlana G. Matveeva 1, 2, 3 , Anton A. Shushakov 1, 2, 2, 3, 4 , Ivan P. Pozdnyakov 1, 2, 2, 3, 4 , Vjacheslav P. Grivin 1, 2, 2, 3, 4 , Victor F. Plyusnin 1, 2, 2, 3, 4 , Danila B. Vasilchenko 2, 2, 3, 4, 5 , Andrei V. Zadesenets 2, 2, 3, 4, 5 , Alexei A. Melnikov 3, 6, 7, 8 , Sergei V. Chekalin 3, 6, 7, 8 , Evgeni M. Glebov 1, 2, 2, 3, 4
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It is known that both cis,fac-[RuCl2(DMSO)3(H2O)] (1a) and trans,cis,cis-[RuCl2(DMSO)2(H2O)2] (2a) complexes, which are formed on the dissolution of trans and cis-isomers of [RuCl2(DMSO)4] in water, demonstrate light-induced anticancer activity. The first stage of 1a photochemistry is its transformation to 2a occurring with a rather high quantum yield, 0.64 ± 0.17. The mechanism of the 1a → 2a phototransformation was studied by means of nanosecond laser flash photolysis and ultrafast pump–probe spectroscopy. The reaction occurs in the picosecond time range via the formation and decay of two successive intermediates interpreted as Ru(II) complexes with different sets of ligands. A tentative mechanism of phototransformation is proposed.
中文翻译：
甲顺，FAC -将[RuCl 2（DMSO）3（H 2 O）]络合物展品超快光化学水合作/重排
众所周知，顺式，fac- [RuCl 2（DMSO）3（H 2 O）]（1a）和反式，顺式，顺式-[RuCl 2（DMSO）2（H 2 O）2 ]（2a）络合物，其被形成在的溶解反式和CIS将[RuCl的异构体2（DMSO）4在水]，表明光诱导抗癌活性。1a光化学的第一阶段是其向2a的转化产生的量子产率相当高，为0.64±0.17。通过纳秒激光闪光光解和超快泵浦-探针光谱研究了1a → 2a光转化的机理。该反应在皮秒时间内通过两个连续的中间体的形成和衰变而发生，该中间体被解释为具有不同配体集的Ru（II）配合物。提出了光转化的初步机制。
更新日期：2018-07-30
中文翻译：
甲顺，FAC -将[RuCl 2（DMSO）3（H 2 O）]络合物展品超快光化学水合作/重排
众所周知，顺式，fac- [RuCl 2（DMSO）3（H 2 O）]（1a）和反式，顺式，顺式-[RuCl 2（DMSO）2（H 2 O）2 ]（2a）络合物，其被形成在的溶解反式和CIS将[RuCl的异构体2（DMSO）4在水]，表明光诱导抗癌活性。1a光化学的第一阶段是其向2a的转化产生的量子产率相当高，为0.64±0.17。通过纳秒激光闪光光解和超快泵浦-探针光谱研究了1a → 2a光转化的机理。该反应在皮秒时间内通过两个连续的中间体的形成和衰变而发生，该中间体被解释为具有不同配体集的Ru（II）配合物。提出了光转化的初步机制。
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