Perchlorates 1,10-phenanthroline

Classic A/-heterocychc ligands, eg, bipyridyl (bipy), terpyridyl, imidazole, pyrazine, phenanthroline, piperazine (including alkyl- and aryl-substituted derivatives), and polypyrazol-l-yl-borates (bis, tris, and tetra), have all been found to coordinate Th(IV) chlorides, perchlorates, and nitrates. The tripodal hydrotris(pyrazolyl)borates, HBPz, have been used to stabilize organometaHic complexes (31). Bis-porphyrin Th(IV) "sandwich" complexes have been... 

Bis(2,9-dimethyl-l,10-phenanthroline) copper(I) perchlorate [54816-44-5] -2.4 to -3.1 (for HCIO4). Crystd from acetone. 

The standard or formal potential of ferroin can be modified considerably by the introduction of various substituents in the 1,10-phenanthroline nucleus. The most important substituted ferroin is 5-nitro-l,10-phenanthroline iron(II) sulphate (nitroferroin) and 4,7-dimethyl-1,10-phenanthroline iron(II) sulphate (dimethylferroin). The former (E° = 1.25 volts) is especially suitable for titrations using Ce(IV) in nitric or perchloric acid solution where the formal potential of the oxidant is high. The 4,7-dimethylferroin has a sufficiently low formal potential ( e = 0.88 volt) to render it useful for the titration of Fe(II) with dichromate in 0.5 JVf sulphuric acid. 

Dicarbonyl(phenanthroline /V-oxidc)rhodium(I) perchlorate, 3626 Dicarbonylpyrazinerhodium(I) perchlorate, 2147 [Pg.59]

Trihydrazinecobalt(II) nitrate, 4205 Trihydrazinenickel(II) nitrate, 4592 Tris(2,2/-bipyridine)chromium(II) perchlorate, 3874 Tris(2,2/-bipyridine)silver(II) perchlorate, 3873 Tris(2,3-diaminobutane)nickel(II) nitrate, 3589 Tris(l,2-diaminoethane)chromium(III) perchlorate, 2619 Tris(l,2-diaminoethane)cobalt(III) nitrate, 2622 Tris(l,2-diaminoethane)ruthenium(III) perchlorate, 2621 Tris(4-methoxy-2,2/bipyridine)ruthenium(II) perchlorate, 3886 Tris(3-methylpyrazole)zinc sulfate, 3540 Tris(l,10-phenanthroline)cobalt(III) perchlorate, 3890 Tris(l,10-phenanthroline)ruthenium(II) perchlorate, 3889... 

Sterically hindered, mesityl-substituted, stable enols 72 have been examined with regard to one-electron oxidation. Using two equivalents of a one-electron oxidant such as triarylaminium salts, iron(III)phenanthroline, thianthrenium perchlorate or ceric ammonium nitrate in acetonitrile-benzofurans 73 are obtained in good yields within a few seconds [111]. 

Upon addition of perchlorate ions to the acetonitrile solutions, the salt [(MeCN)2ln Mn(C0)j 2]C104 can be isolated. This will react with pyridine or phenanthroline to yield [L2ln Mn(C0)5 2]C104 (L = py or phen). The compounds R4N[X4 In Mn(CO)5)J (n = 1—3 R = Me, X = Cl R == Et, X = Br) have also been prepared. Thus this work shows that as well as influencing the amount of dissociation of metal-metal bonded complexes, the nature of the solvent also determines the mode of ionization. The complex [TljMnlCOljlj] can be conveniently prepared from thallium(i) salts and [Na(Mn(CO)g ]. ... 

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