Thiomethylation of distal-Dibromoresorcinarene. Synthesis of Resorcinarenes with Two Different Resorcinol Units in Alternating Sequence and Thiacrown-resorcinarenes - Morikawa, Osamu; Nakanishi, Kei; Miyashiro, Makoto; Kobayashi, Kazuhiro; Konishi, Hisatoshi (Synthesis, 2000)