Sulfuric Acid → HCID 55254012, compound

Participants

Reaction Steps

Cautiously add sulfuric acid (14.7 mL, 265 mmol) dropwise at 0° C. to lithium aluminum hydride (1M solution in THF, 565 mL) with efficient stirring. Warm the mixture to ambient temperature for 20 min and then cool back to 0° C. Add a solution of 1-fluoro-4-methoxy-2-(2-nitro-vinyl)-benzene (18.7 g, 95 mmol) in THF (150 mL) by cannula and stir 2.5 h at ambient temperature. Cool the mixture to 0° C., cautiously add water (4.6 mL) followed by 2N aqueous NaOH (4.6 mL) and water (6.5 mL). Remove the precipitate by filtration and evaporate the filtrate to give the desired intermediate (16 g, 100%). MS (ES+) m/z: 170 (+H)+.

Provenance & Evidence