Porphyrins. 37. Synthesis of heterodimers of porphyrins and chlorins containing pyrrolyl-methyl bridges
We have obtained various adducts, including homodimers and heterodimers of ethanebisporphyrins and ethanebischlorins containing pyrrole and dipyrrylmethane insertions, by reaction of mesodimethylaminomethylporphyrins and chlorins with α-unsubstituted pyrrole derivatives in the presence of methyl iodide.