PROCESS FOR PREPARING 2-ALKYL-5,6,7,8-TETRAHYDRO-9,10- ANTHAQUINONE Russian patent published in 1997 - IPC

FIELD: chemical industry. SUBSTANCE: product: 2-alkyl-5,6,7,8-tetrahydro-9,10-anthaquinone. Reagent 1: anthracene. Reagent 2: hydrogen. Reaction conditions: in the presence of nickel or palladium catalyst followed by alkylation of the resulting mixture with olefin or halogen alkyl in the presence of aluminium chloride or alumosilicate catalyst followed by oxidation in acetic acid in the presence of hydrogen peroxide and chromic anhydride. EFFECT: more efficient preparation process. 2 dwg, 6 tbl