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Reactivity of Pyrrole Pigments, XIX [1]. on the Structure of Cu(II) and Zn(II) Chelates of Dipyrrins in Solution
Jaumà,Farrera,Rib?
, p. 927 - 933 (1996)
The Cu(II) and Zn(II) chelates of 1,2,3,7,9-pentamethyldipyrrin and 1,2,3,7,9-pentamethyl-8-sulfodipyrrin are studied. When metal acetates are used for the formation of the metal complexes, dipyrrinate metal acetates could be detected as precursors of the his-dipyrrinates.
