Epoxidation O 0218Epoxidation of Quinones with Urea Hydrogen Peroxide. -Quinones (I) and (III) react with urea hydrogen peroxide to give epoxides in good yields. The halogenated quinones (V) form the methoxy derivatives when methanol is used as the solvent. In CH2Cl2, no reaction is observed for (V). -(VALDERRAMA*, J. A.; GONZALEZ, M. F.; TORRES, C.; Heterocycles 60 (2003) 10, 2343-2348; Fac. Quim., Pontif. Univ. Catol. Chile, Santiago 22, Chile; Eng.) -Mais 03-037
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