Site-Selective Intramolecular Photocycloaddition of 2-Alkenyl-Substituted 1-Cyanonaphthalenes Depending on Additives, Solvents, and Substituents - Yoshimi, Yasuharu; Konishi, Shin-ichi; Maeda, Hajime; Mizuno, Kazuhiko (Synthesis, 2001)