Chemical Transformations and Photophysical Properties of meso-Tetrathienyl-Substituted Porphyrin Derivatives

The chemistry of meso‐tetrathienyl‐substituted porphyrin derivatives was explored, including synthesis and subsequent metalation, nitration and 1,3‐dipolar cycloaddition reactions. Mono‐ and tetra‐nitro‐meso‐tetrathienylporphyrins were prepared selectively under mild nitration conditions with NaNO2 and trifluoroacetic acid, and the corresponding chlorins and bacteriochlorins were also obtained by reaction with 1,3‐dipoles. The products were characterized in detail and their preliminary photophysical properties were evaluated. The chemistry of meso‐tetrathienyl‐substituted porphyrin derivatives was explored, including synthesis and subsequent metalation, nitration, and 1,3‐dipolar cycloaddition reactions. The products were characterized in detail and their photophysical properties were evaluated.