A Synthesis of a New Type of Alkoxycarbonylating Reagents from 1,1-Bis[6-(trifluoromethyl)benzotriazolyl] Carbonate (BTBC) and Their Reactions - Takeda, Kazuyoshi; Tsuboyama, Kanoko; Hoshino, Mitsuho; Kishino, Miyuki; Ogura, Haruo (Synthesis, 1987)