Alkoxycarbonyl groups can be readily installed on carbohydrates by reaction with the corresponding chloroformates in the presence of TMEDA at low temperature. The mild reaction conditions can be modulated to attain regioselective protections. (C) 2000 Elsevier Science Ltd. Ail rights reserved.
Harada, Takeo; Yamada, Haruo; Tsukamoto, Hirokazu, Journal of Carbohydrate Chemistry, 1995, vol. 14, # 1, p. 165 - 170