反应详情

By following the procedure employed for the preparation of 4-[1(5-methyl-thien-2-yl)3,4-dihydro-4,4-dimethyl-anthracen-8-yl]-benzoic acid (Compound 4), ethyl 4-[2,2-dimethyl-4-(tol-4-yl)-benzo(1,2-g)-chrom-3-en-7-yl]benzoate (Compound 9, 10 mg, 0.02 mmol), was converted into the title compound using LiOH in water (0.2 mL, 0.2mmol). The title compound was obtained as an off white solid.