Preparation and reactivity of metal-containing monomers

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We have obtained and characterized acrylamide complexes (AAm) of chlorides and nitrates of Cr(III), Mn(II), Fe(III), Co(II), Ni(II), Cu(II), and Zn(II). We have shown that all the complexes of chlorides and also nitrates of Fe(III) and Cu(II) have the composition MXn·4AAm, while the complexes of Mn(II), Co(II), Ni(II), and Zn(II) contain water of crystallization and are characterized by the composition MXn·4AAm·2H2O. All the investigated complexes have an octahedral structure. In the example of the Co(II) nitrate complex we have established that coordination of the acrylamide occurs at the oxygen atom of the carbonyl group; in this case, the double bond is not touched. However, in the crystal we observe nonequivalence of the double bonds of the acrylamide groups.

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 4, pp. 762–768, April, 1990.