2,3-Dichloro-5,6-dicyano-1,4-benzoquinone → HCID 68726109, compound

Participants

Reaction Steps

To the solution of 3-bromo-6-methoxy-8-methyl-1,2-dihydro-naphthalene (8.0 g, 0.03 mol) from Step 3 in 1,4-dioxane (40 ml), DDQ (7.9 g, 0.03 mol) was added and the mixture was refluxed for 2 h. The solvent was removed and the crude product was purified by chromatography (silica gel:hexane:ethyl acetate/20:1) to provide 6-bromo-3-methoxy-1-methyl-naphthalene, 3.7 g.

Provenance & Evidence