反应详情

Following the procedure as described in Example 342 Step 1 and making non-critical variations to replace methyl cyclohex-1-enecarboxylate with 7,7-difluorobicyclo[4.1.0]-heptane-3-carboxylate, the title compound was obtained as a colorless liquid (0.30 g, 70%): 1H NMR (300 MHz, CDCl3) δ 3.50-3.23 (m, 2H), 2.50-2.25 (m, 1H), 2.15-1.76 (m, 2H), 1.74-0.96 (m, 5H), 0.96-0.54 (m, 1H).