| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a method for producing a 5-aminoisoxazole derivative useful as a medicine, an agrochemical, or the like, or its synthetic intermediate with slight side reactions. SOLUTION: A compound represented by formula I (R denotes an organic group; R1 denotes a protecting group of carboxyl group; M+ denotes a cation) is reacted with a hydroxylamine salt to thereby produce a 5-aminoisoxazole derivative represented by formula II.</p> |
