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Per-compoundsP 0390 Facile Ring-Opening of Oxiranes by H2O2 Catalyzed by Phosphomolybdic Acid.

— A wide range of β-hydroxy hydroperoxides is prepared from the corresponding oxiranes. The reaction tolerates many functionalities including readily cleavable pro-tecting groups. In the case of 2,2-disubstituted substrates high regioselectivity is ob-served. In contrast, it is strongly substituent-dependent for 2,3-di- and 2-monosubsti-tuted oxiranes. — (LI, Y.; HAO, H.-D.; WU*, Y.; Org. Lett. 11 (2009) 12, 2691-2694; State Key Lab. Bioorg. Nat. Prod. Chem., Shanghai Inst. Org. Chem., Acad. Sin., Shanghai 200032, Peop. Rep. China; Eng.) — R. Steudel

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