Sodium hydride → 2-{4-[(E)-2-(2-methoxy-4-nitrophenyl)ethenyl]phenyl}-6-methylimidazo[1,2-a]pyridine

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Reaction Steps

Prepared as described in the Alkene Formation section using sodium hydride (60% dispersion in mineral oil, 33 mg, 0.838 mmol), diethyl[4-(6-methylimidazo[1,2-a]pyridin-2-yl)benzyl phosphonate (250 mg, 0.698 mmol) and 2-methoxy-4-nitrobenzaldehyde (126 mg, 0.698 mmol) in dry THF (15 ml) to give the title compound (199 mg, 74%) as an orange solid after work-up and flash chromatography (25:1 DCM/MeOH).

Provenance & Evidence