Photochemistry of the amide system. V. Synthetic photochemistry with heterocyclic anilides. Stereochemistry of the intramolecular 1,5-hydrogen shifts in nonoxidative photocyclization of benzo[b]thiophene-2-carboxanilides
Photochemistry of the amide system. V. Synthetic photochemistry with heterocyclic anilides. Stereochemistry of the intramolecular 1,5-hydrogen shifts in nonoxidative photocyclization of benzo[b]thiophene-2-carboxanilides