chromium(VI) oxide; sulfuric acid

1: With potassium carbonate in water T=20°C; Michael addition; 3 h; 2: With dihydrogen peroxide; potassium carbonate in water T=20°C; Nef reaction; 3: With sodium tetrahydroborate; potassium carbonate in water T=20°C; 2 h;

lithium aluminium tetrahydride in tetrahydrofuran

(i), (ii) /BRN= 79763/, (iii) aq. H2O2, aq. NaOH; Multistep reaction;

(tBuOOCO)2; oxygen in benzene T=45°C; 4 h; other hydroxyperoxides; also with subsequent LAH- or PPh3-reduction; also in the presence of alcohols; intra- and intermolecular hydrogen abstraction; Product distribution;