7-Fluoro-4-hydroxy-2,2-dimethyl-2,3-dihydro-benzofuran-6-carboxylic acid methyl ester → 4-[4-(Azetidine-1-carbonyl)-phenoxy]-7-fluoro-2,2-dimethyl-2,3-dihydro-benzofuran-6-carboxylic acid methyl ester

Beteiligte Stoffe

Reaktionsschritte

The title compound was prepared in a similar manner as described for Intermediate 35b, from 7-fluoro-4-hydroxy-2,2-dimethyl-2,3-dihydro-benzofuran-6-carboxylic acid methyl ester (190a) and azetidin-1-yl-(4-bromo-phenyl)-methanone. 1H NMR (400 MHz, CDCl3) δ 7.61-7.65 (m, 2 H) 7.05 (d, J=4.55 Hz, 1 H) 6.94 (ddd, J=9.22, 2.78, 2.40 Hz, 2 H) 4.27-4.37 (m, 2 H) 4.23 (s, 2 H) 3.90 (s, 3 H) 2.91 (s, 2 H) 2.32-2.40 (m, 2 H) 1.52 (s, 6 H); LCMS for C22H22FNO5 m/z 400.20 (M+H)+.

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