ChemInform Abstract: Inexpensive and Efficient Ullmann Methodology to Prepare Donor‐Substituted Porphyrins. Issue 21 (27th May 2014) - Haumesser, Julien; Pereira, Ana M. V. M.; Gisselbrecht, Jean‐Paul; Merahi, Khalissa; Choua, Sylvie; Weiss, Jean; Cavaleiro, Jose A. S.; Ruppert, Romain