Benzene → HCID 86733641, compound

Participants

Reaction Conditions

Reaction Steps

Potassium tert-butoxide (5.06 g., 0.045 mole) dissolved in tert-butanol (100 ml.) is added to a refluxing solution of 2-methyl-4,5-dichloro-6-methoxyindan-1,3-dione (7.8 g., 0.03 mole), prepared by the method described in Example 10, Step A, in tert-butanol (150 ml.)-benzene (150 ml.). The mixture is cooled slightly and solid 2,2'-dithienyliodonium chloride (16.5 g., 0.05 mole) is added in one portion. Heating at reflux is continued for 2 hrs. The reaction mixture is cooled to 25°C., 100 ml. of water is added, and the mixture concentrated to dryness in vacuo to give 2-methyl-2-(2-thienyl(-4,5-dichloro-6-methoxyindan-1,3-dione.

Provenance & Evidence