Methyl cyanoacetate → Methyl-5-amino-3-(2-fluorophenyl)isoxazol-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), methylcyanoacetate (5.94 g, 59.92 mmol) and sodium methoxide (4.98 g, 92.18 mmol), a white solid required compound (8.23 g, 34.82 mmol, 76%) was obtained.

Herkunft & Nachweise