By Alan H. Haines
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Extra info for Methods for Oxidation of Organic Compounds. Alcohols, Alcohol Derivatives, Alky Halides, Nitroalkanes, Alkyl Azides, Carbonyl Compounds Hydroxyarenes and Aminoarenes
The collected solids are washed with ethyl acetate (3 x 50 ml) and once with warm ethyl acetate (40 ml) to ensure complete dissolution of the oxidation product. 5 h. The organic layer and the violetcoloured aqueous phase are separated, and the aqueous layer is extracted with ethyl acetate (100 ml). The combined organic fractions are then stirred * Molecular-sieve powder (white, 3 A U n i o n Carbide, obtained from Fluka) is activated by heating in an enamel pan with a Bunsen burner at approximately 320°C for 5 h and used immediately after cooling to room temperature.
609 mmol) in a small amount of dichloromethane is then added with stirring. The orange colour of the solution changes immediately to bright yellow. After 20 min at 0°C, the colour of the clear solution is the original dark orange and TLC indicates the absence of starting alcohol. 5 cm plug of silica gel on a fritted-glass funnel. p. 48°C. REFERENCES  R. V . Oppenauer and H. Oberrauch, Anales Asoc. Quim. Arg. 37, 246 (1949); CA 44, 3871c (1950). 1 , p. 159.  Η. H. Inhoffen, H. Pommer, K.
Cytophysiol. Vegetales6,221 (1942-1943); CA45,9102(1951).  W. M. Coates and J. R. Corrigan, Chem. Ind. (London) 1594 (1969).  E . J. Corey and G. Schmidt, Tetrahedron Lett. 399 (1979).  J. Salmon, Chem. Brit. 703 (1982).  S. Czernecki, C. Georgoulis, C. L. Stevens and K. Vijayakumaran, Tetrahedron Lett. 26, 1699 (1985).  J. Herscovici and K. A n t o n a k i s , / . Chem. Soc. Chem. Commun. 561 (1980).  J. -J. Egron and K. A n t o n a k i s , / . Chem. Soc. Perkin Trans. 11967 (1982).