Synthesis of D2-symmetric 5,10,15,20-tetraarylporphyrins from C2-symmetric benzaldehydes and achiral aryldipyrromethanes

Article abstract of DOI:10.1016/0040-4039(96)01379-2

A series of new enantiomerically pure D₂-symmetric 5,10,15,20-tetraarylporphyrins has been synthesized by condensation of C₂-symmetric substituted benzaldehydes with achiral aryldipyrromethanes in 22-40% yield. The mild conditions us