m-Chloroperbenzoic acid → 2-[[(4-Methoxy)pyridin-2-yl]methylsulfinyl]-6-fluoro-5-(imidazol-1-yl)-1H-benzimidazole

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Reaction Steps

The title compound (0.32 g, 58%) was prepared by the above general procedure using 2-[[(4-methoxy)pyridin-2-yl]methylthio]-6-fluoro-5-(imidazol-1-yl)-1H-benzimidazole (0.53 g, 1.5 mmol) (obtained in example 5), m-chloroperbenzoic acid (50%, 0.62 g, 1.8 mmol) and dichloromethane (20 mL). IR (KBr) 3500, 1048 cm-1 ; 1H NMR (CD3OD) δ 3.86 (s, 3H, OCH3), 4.72 (ABq,J=10.8 Hz, Δv=15.6 Hz, 2H, SOCH2), 6.94 (m, 2H), 7.22 (s, 1H), 7.52 (s, 1H), 7.68 (d,J=10.8 Hz, 1H), 7.88 (d,J=7.6 Hz, 1H), 8.08 (s, 1H), 8.26 (d,J=5.6 Hz, 1H); Mass (m/z) 371 (M+.).

Provenance & Evidence