INFLUENCE OF HYDROGEN BONDING ON THE PROPERTIES OF IRON PORPHYRIN IMIDAZOLE COMPLEXES. AN INTERNALLY HYDROGEN BONDED IMIDAZOLE LIGAND.

Article abstract of DOI:10.1021/ja00327a012

Two new imidazole derivatives have been synthesized, cis-methyl urocanate and trans-methyl urocanate. The IR properties of these imidazole derivatives have been compared with those of imidazole itself and other imidazole derivatives. A series of complexes of the form Fe**I**I**I(TPP)(L)//2SbF//6, where TPP equals tetraphenylporphyrin and L equals imidazole or a substituted imidazole, have been synthesized and characterized by visible, electron paramagnetic resonance and IR spectroscopy and cyclic voltammetry in order to evaluate the effects of hydrogen bonding of coordinated imidazole ligands on the properties of iron porphyrin complexes.