反应详情

3-Oxo-naphth[2,1-d]isothiazoline-2-acetic acid ethyl ester -1,1-dioxide was prepared analogous to Example 1a from the sodium salt of 3-oxo-naphth[2,1-d]isothiazoline-1,1-dioxide and chloro-acetic acid ethyl ester. Yield: 72% of theory; m.p. 149- 150.5° C (from ethanol).