Photochemistry and photophysics of highly excited valence states of polyatomic molecules: nonalternant aromatics, thioketones, and metalloporphyrins / Proton transfer reactions in the excited states / Photoreactivity of n,[pi]*-excited azoalkanes and ketones / Photonucleophilic substitution reactions / Mechanistic and synthetic aspects of SET-promoted photocyclization reactions of silicon substituted phthalimides / Photoanimation with ammonia and amines / DNA-templated assembly of helical multichromophore aggregates