Methyl acetoacetate → Methyl 3-(2-fluorophenyl)-5-methylisoxazole-4-carboxylate

Beteiligte Stoffe

Reaktionsschritte

In a similar manner as described in Preparation Example 17, by using methanol (160 mL), 2-fluoro-N-hydroxybenzimidoyl chloride (8.00 g, 46.09 mmol), methylacetoacetate (10.07 g, 92.18 mmol) and sodium methoxide (7.47 g, 138.27 mmol), a white solid required compound (7.84 g, 33.33 mmol, 72%) was obtained.

Herkunft & Nachweise