Methyl acetoacetate → Methyl 3-(2-chlorophenyl)-5-methyl-1,2-oxazole-4-carboxylate

Participants

Reaction Steps

In a similar manner as described in Preparation Example 17, by using methanol (160 mL), 2-chloro-N-hydroxybenzimidoylchloride (8.0 g, 42.10 mmol), methylacetoacetate (9.78 g, 84.20 mmol) and sodium methoxide (6.83 g, 126.30 mmol), a white solid required compound (6.32 g, 25.11 mmol, 60%) was obtained.

Provenance & Evidence