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Synthesis 1987; 1987(6): 557-560
DOI: 10.1055/s-1987-28002
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A Synthesis of a New Type of Alkoxycarbonylating Reagents from 1,1-Bis[6-(trifluoromethyl)benzotriazolyl] Carbonate (BTBC) and Their Reactions

Kazuyoshi Takeda* , Kanoko Tsuboyama, Mitsuho Hoshino, Miyuki Kishino, Haruo Ogura
  • *School of Pharmaceutical Sciences, Kitasato University, Shirokane, Minato-ku, Tokyo 108, Japan
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Publication Date:
20 August 2002 (online)

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1,1′-Bis[6-(trifluoromethyl])benzotriazolyl] carbonate (BTBC) was prepared from 1-hydroxy-6-trifluoromethylbenzotriazole and trichloromethyl chloroformate (trichloromethyl carbonochloridate). The reaclion of BTBC and alcohols afforded the corresponding active carbonates which were converted into the corresponding carbamates and carbonates.