Chemical and Pharmaceutical Bulletin p. 2189 - 2191 (1996)
Update date:2022-08-29
Topics:
Wang, Jidong
Okada, Yoshio
Wang, Zongmu
Wang, Yuhong
Li, Wei
B,B-Difluoroboroxazolidones (DFBONs) were synthesized for the first time from salts of amino acid and BF3·Et2O, and their properties were examined. DFBONs were used in selective preparation of Glu(OBu(t)) and Asp(OBu(t)) in good yields under catalysis with BF3·Et2O and H3PO4. Amberlite XAD-2 resin was successfully employed to purify the above amino acid derivatives.
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