Photochemistry of the phthalimide system. V photocyclization of the phthalimides with a sulfide chain: synthesis of aza-cyclols by δ, ε, and ς hydrogen abstraction
Organic Chemistry Research Laboratory, Tanabe Seiyaku Co., Ltd., Toda, Saitama 335 Japan;Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060 Japan