نتایج جستجو برای: 4 bipyridinium
تعداد نتایج: 1303753 فیلتر نتایج به سال:
The results of a systematic investigation of trisradical tricationic complexes formed between cyclobis(paraquat-p-phenylene) bisradical dicationic (CBPQT(2(•+))) rings and a series of 18 dumbbells, containing centrally located 4,4'-bipyridinium radical cationic (BIPY(•+)) units within oligomethylene chains terminated for the most part by charged 3,5-dimethylpyridinium (PY(+)) and/or neutral 3,5...
The reaction of anti-mony(III) chloride, 4,4'-bipyridine (4,4'-bipy) and pyridine-2,6-dicarboxylic acid (pydcH(2)), in a 1:2:2 molar ratio in an aqueous solution, resulted in the formation of the title centrosymmetric disordered mixed-valence Sb(III)/Sb(V) compound, (C(10)H(9)N(2))(2)[Sb(2)(C(7)H(3)NO(4))(2)(OH)(6)]·8H(2)O or (4,4'-bipyH)(2)[Sb(pydc)(OH)(2)(μ-OH)](2)·8H(2)O. The seven donor ato...
The ability of the diradical dicationic cyclobis(paraquat-p-phenylene) (CBPQT(2(•+))) ring to form inclusion complexes with 1,1'-dialkyl-4,4'-bipyridinium radical cationic (BIPY(•+)) guests has been investigated mechanistically and quantitatively. Two BIPY(•+) radical cations, methyl viologen (MV(•+)) and a dibutynyl derivative (V(•+)), were investigated as guests for the CBPQT(2(•+)) ring. Bot...
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