反应详情

A 5 L flask was equipped as in Example 3. 178 g 2-ethyl-7-chloroindene (1 mol), 1 L ether and 10.8 g Ni(dpp) (0.02 mol, 2 mol%) added, followed by 355 mL of 3.1M phenylmagnesium bromide in ether (1.1 mol, 10% excess). After quenching and work-up by the method described in Example 3, 176 g 2-ethyl-7-phenylindene (0.8 mol) was obtained by vacuum distillation at 140° C. in 80% yield.

1. customA 5 L flask was equipped as in Example 3
2. customAfter quenching