反应详情

(R)-2-(4-Bromo-1-(4-chlorophenyl)-3-methylnaphthalen-2-yl)-2-tert-butoxyacetic acid (150A) was prepared in a similar manner to 2-(4-bromo-1-(4-chlorophenyl)-3-methylnaphthalen-2-yl)-2-tert-butoxyacetic acid of Example 124, except using (R)-methyl 2-(4-bromo-1-(4-chlorophenyl)-3-methylnaphthalen-2-yl)-2-hydroxyacetate, giving the title compound (parent form). 1H NMR (400 MHz, CD3OD) δ 8.38 (d, J=8.6 Hz, 1H), 7.63-7.47 (m, 4H), 7.38-7.20 (m, 3H), 5.30 (s, 1H), 2.69 (s, 3H), 1.00 (s, 9H). LCMS-ESI− (m/z): [M—CO2—H]− calcd for C22H21BrClO: 415.2; Found: 415.0.