Methyl-phenyl-carbamic acid 4-[2-(pyridin-2-yloxy)-ethyl]-phenyl ester → Methyl-phenyl-carbamic Acid 4-(2-oxo-2H-pyridin-1-ylmethyl)-phenyl Ester

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The title compound was prepared in 29% yield as an oil using methyl-phenyl-carbamic acid 4-(2-hydroxy-ethyl)-phenyl ester and 2-hydroxypyridine. In addition 50% of the isomeric methyl-phenyl-carbamic acid 4-[2-(pyridin-2-yloxy)-ethyl]-phenyl ester was isolated, see characterization below. 1H NMR (400 MHz; CDCl3): δ 3.05 (t, 2H), 3.41 (br s, 3H), 4.14 (s, 2H), 6.08 (t, 1H), 6.66 (d, 1H), 6.90 (dd, 1H), 7.02 (br s, 2H), 7.10 (d, 2H), 7.25-7.42 (m, 6H); HPLC-MS: m/z=349.2 (M+1); Rt=3.04 min.

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