Abstract
Interaction of 1,10-phenanthroline or
2,2'-bipyridine in strongly acidic solution with the solution obtained by
treating potassium permanganate with concentrated hydrochloric acid results in
the separation of NN'-dihydrophenanthrolinium or NN'-dihydrobipyridinium
pentachloromanganate(III). In solutions of lower acidities
trichloroaquophenanthrolinemanganese(III) and trichloroaquobipyridinemanganese(III)
are formed. These complexes are notable for their stability. In addition,
tetrachlorobipyridinemanganese(IV) has been obtained. This decomposes when
heated to a bridged manganese(111) complex, [Mn(bipy)Cl3]2,
which has an anomalously low magnetic moment. The same complex and the
corresponding phenanthroline complex were also isolated from the product of interaction
of manganese dioxide and hydrochloric acid.
Cited by
59 articles.
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