Piperno A, Chiacchio U, Iannazzo D, Giofrè SV, Romeo G, Romeo R. First Example of Direct RuO4-Catalyzed Oxidation of Isoxazolidines to 3-Isoxazolidones.
J Org Chem 2007;
72:3958-60. [PMID:
17419650 DOI:
10.1021/jo070211n]
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Abstract
RuO2/NaIO4 oxidation of 3-unsubstituted isoxazolidines, under ethyl acetate/water biphasic conditions, affords 3-isoxazolidones in good yields. The methodology can be used on both racemic and optically active isoxazolidines.
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