| 摘要 |
<p>A process for producing 3-isoxazolecarboxylic acid as an intermediate for synthesizing valuable compounds, which comprises reacting a compound represented by general formula (I) with hydroxylamine to yield a compound represented by general formula (II) and treating the obtained compound with an alkali, wherein R1 represents lower alkyl; R2 represents a carboxyl-protecting group; and X represents halogen and Y represents hydrogen, or X and Y are combined together to form a single bond.</p> |
