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- W3184392996 endingPage "121994" @default.
- W3184392996 startingPage "121994" @default.
- W3184392996 abstract "Triphenylantimony(V) catecholate of the type Ph3Sb(Cat-DAD) (2) based on bifunctional 4-(4-(2,6-diisopropylphenyl)-2,3-dimethyl-1,4-diazabuta-1,3-diene-1-yl)-3,6-di-tert-butyl-o-benzoquinone, Q-DAD, (1) was applied for a synthesis of new bimetallic antimony(V)-zinc(II) and antimony(V)-copper(I) catecholato-diazadiene complexes Ph3Sb(Cat-DAD)ZnI2 (3) and Ph3Sb(Cat-DAD)Cu2Cl2 (4), respectively. In Sb(V)-Zn(II) complex 3, the acceptor properties of a coordinated DAD group decrease (ERed1/2 = - 0.93 V vs. Ag/AgCl/KCl(sat.) for 3 in contrast to - 0.55 V for 1) due to the presence of a more donor catecholate group in the complex 3 as compared to o-quinone in 1. In the accordance with cyclic voltammetry both redox-active centers (DAD and Cat) in 3 are available for redox transformations. The interaction of 2 with CuCl2 is accompanied by the oxidation of catecholate centers by Cu(II) in DAD complex and, as a result, complex 4 - a heterometallic Sb(V)-Cu(I) complex - was formed. The crystal structures of 3•2THF, (4∙MeCN)•1.5CH2Cl2 and o-quinone 1 have been determined by single-crystal X-ray analysis." @default.
- W3184392996 created "2021-08-02" @default.
- W3184392996 creator A5005411784 @default.
- W3184392996 creator A5007568357 @default.
- W3184392996 creator A5024658993 @default.
- W3184392996 creator A5049343340 @default.
- W3184392996 date "2021-11-01" @default.
- W3184392996 modified "2023-10-14" @default.
- W3184392996 title "Heterometallic antimony(V)-zinc and antimony(V)-copper complexes comprising catecholate and diazadiene as redox active centers" @default.
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