反应详情

The title compound was prepared starting from 0.75 g (3.75 mmol) of 1-(2,2-difluoro-1,3-benzodioxol-5-yl)ethanone and 15.0 ml (7.50 mmol) of a 0.5N solution of cyclopropylmagnesium bromide in tetrahydrofuran in analogy to the synthesis of the compound from Example 138A. 0.67 g (74% of theory) of the title compound was obtained.

1. customThe title compound was prepared