A methanesulfonic acid pu vertical preparation method
The invention discloses a preparation method of pridinol mesylate. The preparation method comprises the following steps: carrying out reaction on methyl acrylate and piperidine to obtain methyl 3-(1-piperidyl) propionate, carrying out reaction on methyl 3-(1-piperidyl) propionate and phenyl magnesium bromide (as a Grignard reagent) to obtain pridinol, and forming a salt by pridinol and methanesulfonic acid in a solvent such as an ether solvent to obtain pridinol mesylate as a final product. The process route is simple in synthetic steps, is short in reaction route, is high in yield and is economical and practical.
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Paragraph 0021; 0022; 0023; 0024
(2017/06/02)
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