abstract |
The invention provides a method for synthesizing buvaracetam. The method of the present invention takes cheap and easy-to-get valeric acid or valeryl halide as initial raw material, provides a brand-new new synthetic route for preparing brivaracetam (brivaracetam) medicine, and the total yield of the whole reaction route is high, and the advantage of the present invention is The production capacity is high, the cost is low, and it is suitable for large-scale industrial production. |