Andrei F. Mironov, Valentina D. Rumyantseva and Olga N. Ponamoreva
Mendeleev Commun., 1998,8, 187-188
DOI:
10.1070/MC1998v008n05ABEH000951,
Paper
Treatment of nickel and palladium porphyrin complexes with thionyl chloride readily affords products of meso- and β-chlorination; further reaction leads to chlorination of macrocyclic methyl groups.