An Improved Synthesis of Octaethylporphyrin
Paine, J.B., Kirshner, W.B., Moskowitz, D.W., and David Dolphin
J. Org. Chem.
Octaethylporphyrin (I) was prepared in 6 steps from the Grignard reaction of (EtO2C)2CH2 with EtCOCl via 2-(diethylaminomethyl)5-ethoxycarbonyl-3,4-diethylpyrrole (II).