3-(Ethoxycarbonyl)-4-fluorophenylboronic Acid (contains varying amounts of Anhydride) → 5-{3-Chloro-4-[2-(1,5-dimethyl-6-oxo-1,6-dihydro-pyridin-3-yl)-3,3,3-trifluoro-2-hydroxy-1-methyl-propyl]-phenoxy}-2-fluoro-benzoic acid ethyl ester

Beteiligte Stoffe

Reaktionsschritte

In analogy to Example 151, step 8, 5-[2-(2-chloro-4-hydroxy-phenyl)-1-hydroxy-1-trifluoromethyl-propyl]-1,3-dimethyl-1H-pyridin-2-one (Example 203, step 5) was reacted with 3-ethoxycarbonyl-4-fluorophenylboronic acid, copper-(II)-acetate and pyridine to give the title compound as a colorless solid. MS (m/e)=542.2 [M+H+].

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