Organic Photochromes

1 Theoretical Studies of the Photochromism of Organic Compounds.- The Use of Qualitative Models and the Woodward-Hoffmann Rules for Describing Photochromic Systems.- Quantum-Chemical Calculations of the Spectra of Photochromic System Components and Statistical and Dynamic Indices for Estimating Their Reactivity.- Photochromic Spiropyrans.- Discussion of the Mechanisms of Photochromism using Current Ideas on Potential Energy Surfaces.- The Influence of Solvent on Photochromism.- References.- 2 Photochromic Thioindigoid Dyes.- The Structure and Spectra of Thioindigoids.- Production, Thermal Stability, and Spectra of Z-Isomers of the Thioindigoids.- On the Mechanism of the Photoisomerization of Indigoid Dyes.- The Effect of the Heteroatom of an Indigoid Dye on ?E?R. The Reasons for the Absence of Photochromism in Indigo.- The Influence of Substituents and Environmental Parameters on ?E?R.- Addendum.- References.- 3 Photochromic Compounds with N=N and C=N Chromophores.- The Principal Paths of Photochemical and Thermal E/Z-Isomerization.- Photochromic Azo Compounds.- Photochromic Aryldiazo Compounds.- The Photochromism of Compounds Containing the C=N Chromophore.- References.- 4 Photochromic Tautomeric Systems.- Photochromism of (Nitroaryl) (hetaryl) alkanes.- Photochromic peri-Aryloxy-p-quinones.- Reversible Photoacylotropic Regroupings.- References.- 5 Organic Photochromes for Solar Energy Storage.- The Principle of Accumulating Light Energy as the Energy of Strained Metastable Structures.- Efficiency Criteria.- Various Photochromic Systems for Solar Energy Accumulation and Their Mechanisms.- A Basic Scheme of the Engineering Solution to the Problem of Solar Energy Storage and Release in the Form of Thermal Energy.- Acylotropic Azomethine Systems - A New Type ofSolar Energy Storage Battery.- References.- 6 Luminescence of Photochromic Compounds.- Polyacenes and Their Analogs.- Diarylethylenes.- Thioindigoids.- Arylmethane Derivatives.- Spiropyrans.- Azomethineimines.-