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6-[2-(4-bromo-2-chloro-phenyl)-1-hydroxy-1-trifluoromethyl-propyl]-4-methyl-4H-benzo[1,4]oxazin-3-one

6-[2-(4-Bromo-2-chloro-phenyl)-1-hydroxy-1-trifluoromethyl-propyl]-4-methyl-4H-benzo[1,4]oxazin-3-one

4-(2-carboxyethyl)benzeneboronic acid

→

title compound

3-{3′-Chloro-4′-[3,3,3-trifluoro-2-hydroxy-1-methyl-2-(4-methyl-3-oxo-3,4-dihydro-2H-benzo[1,4]oxazin-6-yl)-propyl]-biphenyl-4-yl}-propionic acid

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실험 절차

In analogy to Example 17, step 2, 6-[2-(4-bromo-2-chloro-phenyl)-1-hydroxy-1-trifluoromethyl-propyl]-4-methyl-4H-benzo[1,4]oxazin-3-one (Example 22, step 3) was reacted with 4-(2-carboxyethyl)benzeneboronic acid to give the title compound as a colorless solid. MS (m/e)=548.2 [M+H+].

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