反应详情

Following the same procedure as in step 2 of Example 337 using 7-(trifluoromethyl)-1,3-benzothiazole-2-thiol (300 mg, 1.28 mmol, 1.00 equiv) and iron powder (710 mg, 10.00 equiv) in acetic acid (12.0 mL). 210 mg of the title compound was obtained as a crude product as a gray-white solid, which was used directly for next step without further purification.