Pyridine → Methyl acetyl(p-bromobenzoyl)acetate

Beteiligte Stoffe

Reaktionsbedingungen

Reaktionsschritte

To 3-methylamino-but-2-enoic acid methyl ester (5.0 g, 39.1 mmol) in THF (70 mL) was added pyridine (3.7 mL). The mixture was cooled to 0° C., and 4-bromobenzoyl chloride (8.55 g, 39.1 mmol) in THF (30 mL) was added dropwise over 2 minutes. The reaction was warmed to room temperature over 1 hour and then stirred at room temperature overnight. Aqueous work-up gave the title compound.

Herkunft & Nachweise