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[Halogenation in a series of metallocomplexes of porphyrin]
V D Rumiantseva1, E A Aksenova, O N Ponamoreva
1Lomonosov State Academy of Fine Chemical Technology, Moscow, Russia.
Bioorganicheskaia Khimiia
|August 3, 2000
Abstract:
We found that thionyl chloride can chlorinate porphyrin complexes with transient metals (Pd, Ni, or Cu) at the free beta- and meso-positions of the porphyrin macrocycle. A more prolonged or rigorous treatment also causes the chlorination of side alkyl substituents, mainly, methyl groups.