S-[2-(3-methoxyimino-3H-benzofuran-2-ylideneaminooxy)-ethyl]thioacetate 、
氢氧化钾 在
乙醚 、
Sodium sulfate-III 作用下,
以
甲醇 为溶剂,
反应 0.25h,
以giving 0.78 g (24.7% of theory) of (5,6-dihydro-[1,4,2]oxathiazin-3-yl)-(2-hydroxyphenyl)-methanone O-methyloxime的产率得到(5,6-dihydro-[1,4,2]oxathiazin-3-yl)-(2-hydroxyphenyl)-methanone O-methyloxime