Water → 4-[(5-Formylimidazol-1-yl)methyl]benzonitrile

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Reaction Steps

Triethylamine (13.8 ml/99.6 mmol) and then SO3-pyridine complex (9.89 g/62.25 mmol) are added in succession to a solution of 4.6 g (24.9 mmol) of the compound obtained in Step A in 120 ml of DMSO, and the reaction mixture is stirred at room temperature for 30 minutes. The whole is then brought to 0° C., hydrolysed with H2O, and then extracted several times with AcOEt. The organic phases are combined, washed with a saturated NaCl solution, dried over MgSO4, and evaporated to dryness to yield the title product.

Provenance & Evidence