反应详情

The method described in Part A of Example 64 was used to treat ethylcyanoacetate (45 mL, 420 mmol) with 1,3-dibromopropane (51 mL, 510 mmol) and potassium carbonate (146 g, 1.06 mol) to provide ethyl 1-cyanocyclobutanecarboxylate as an orange oil containing about 15 mole % 1,2-dibromopropane.