New complexes of nickel(II) containing macrocyclic diaminodiiminepiperazine ligands: Synthesis and electrochemical propertiesстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Complexes of Ni(ClO4)(2) with 1,4-bis(2-aminobenzyl)piperidine (1) and 1,4-bis(2-amino-4-tertbutyl)piperidine (2) and products of their cyclization with ortho-phthalic aldehyde in methanol [NiL3][ClO4](2) (3) and [NiL4] [ClO4](2) (4), respectively, are synthesized. Complexes I and 2 can be reduced on a platinum electrode irreversibly. Cyclic complexes 3 and 4 undergo reduction reversibly or quasi-reversibly in two or three stages. The reduction products react with n-BuI or n-BuBr (Bu = butyl) via an inner-sphere mechanism of oxidative attachment, probably, with the formation of the Ni-C bond.