Abstract An unsymmetrically substituted 5, 15-diarylporphyrin 1, with p-dimethylamino and p- carbomethoxy substituents, was synthesized via a MacDonald condensation of aryldipyrromethane precursors 6 and 12, which were prepared in good yield by three or four
[Smith, Kevin M.; Kehres, Lisa A. Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1983 , # 10 p. 2329 - 2335]