反应详情

5,6-Dichloro-1-[6-(2-methylpyridin-3-yloxy)pyridin-3-ylcarbamoyl]indoline (0.25 g, 0.6 mmol) was treated with bromomethyl acetate and sodium tetraphenylboron at reflux in acetonitrile (15 ml) for 10 h according to the procedure described in Example 1 to give the title compound (E3) (0.26 g, 80%) m.p. 125-135° C. which contained approximately 15% starting material as an off-white solid.