Abstract:
CONTENTS I. Introduction 153 II. Nomenclature and molecular structure of compounds of the porphin series 153 III. Isomerism and tautomeric changes 154 IV. Molecular compounds 155 V. Hydrogen exchange in compounds of the porphin series 160 VI. Hydrogenation and dehydrogenation of the pyrrole rings in compounds of the porphin series 161 VII. Reversible photochemical reduction of compounds of the porphin series 162