3-(Methoxycarbonyl)benzeneboronic acid → 3'-Chloro-4'-[3,3,3-trifluoro-2-hydroxy-1-methyl-2-(3-methyl-2-oxo-2,3-dihydro-benzooxazol-6-yl)-propyl]-biphenyl-3-carboxylic acid methyl ester

関与物質

反応手順

The title compound was prepared in analogy to Example 117 from 6-[2-(4-bromo-2-chloro-phenyl)-1-hydroxy-1-trifluoromethyl-propyl]-3-methyl-3H-benzooxazol-2-one (obtained in Example 133, step 3) by Suzuki coupling with 3-methoxycarbonylphenyl-boronic acid [CAS Reg. No. 99769-19-4]. 1H-NMR (, CDCl3): 8.13 (m, 1H), 8.00 (m, 1H), 7.63 (m, 1H), 7.60 (d, 1H), 7.48 (t, 1H), 7.41 (d, 1H), 7.36 (s(br), 1H), 7.31-7.25 (m, 2H), 6.77 (d, 1H), 4.42 (q, 1H), 3.93 (s, 3H), 3.31 (s, 3H), 3.08 (s, 1H), 1.52 (d, 3H).

情報源と証拠