A method for preparing of sultopride hydrochloride
The invention discloses a preparation method of sultopride hydrochloride. The preparation method comprises the following steps: carrying out synthetic reaction on 2-methoxy-5-ethylsulfanoylbenzoic acid methyl ester and N-ethyl-2-aminomethylpyrrolidine to prepare a crude product of the sultopride hydrochloride; refining the crude product to prepare the finished product of the sultopride hydrochloride. The prepared sultopride hydrochloride is good in quality, high in purity, simple in preparation method, less in energy consumption and low in cost.
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Paragraph 0015; 0016; 0017; 0018
(2016/10/08)
Processes of producing 2,5-disubstituted benzamides
2,5-Disubstituted benzamides are produced by an efficient, effective and economical method by the utilization of 4-methyl 2-chloro 1-3-2-dioxophosphorinane as a catalyst.
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(2008/06/13)
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