Journal
JOURNAL OF FLUORINE CHEMISTRY
Volume 127, Issue 7, Pages 920-923Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jfluchem.2006.04.001
Keywords
fluorinated carbohydrates; ring-opening fluorination; epoxides; microwave
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Ring-opening fluorination reactions of epoxides using tetrabutylammonium bifluoride (TBABF)-KHF2, or Et3N-3HF under microwave irradiation were applied for the introduction of a fluorine atom into the carbohydrate molecules. When TBABF-KHF2 was used as the fluorination reagent, a fluorine atom was introduced regioselectively and various functional groups can tolerate the conditions. When Et3N-3HF was used under microwave irradiation, the reaction time could be remarkably shortened compared with the conventional oil-bath heating. (c) 2006 Elsevier B.V. All rights reserved.
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