798561-06-5Relevant articles and documents
Purification method of carafine intermediate
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, (2021/10/02)
To 3 - hydroxyacetophenone as a raw material, the intermediate 3 - [1 - (dimethylamino) ethyl] phenol is formed by reaction with dimethylamine, and the intermediate is subjected to resolution and purification by a specific resolution system to obtain S - 3 - [1 - (dimethylamino) ethyl] phenol. Compared with the preparation method of the intermediate prepared by the method, the preparation method has the advantages of low cost, high yield, good effect, less environmental pollution, reduced residue of inorganic salt, and favorability for large-scale industrial production.