- Method of Manufacturing Pyrrolizidine Compound And Method of Manufacturing Pyrrolizidine Hydrochloride Hemihydrate
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The present invention relates to a method for manufacturing a pyrrolizidine compound and a method for manufacturing pyrrolizidine hydrochloride hemihydrate. According to the present invention, by including the reaction using phosphoryl chloride (POCl_3) and pyridine, and also aniline intermediates, it is possible to provide effects of lowering the manufacturing cost of the pyrrolizidine compound and pyrrolizidine hydrochloride hemihydrate, solving the manufacturing environmental problem, and at the same time, increasing a manufacturing yield.
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Paragraph 0059-0102
(2021/07/13)
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- Novel method for preparing pilsicainide hydrochloride
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The invention discloses a preparation method of pilsicainide hydrochloride. The preparation method comprises the following steps of: by taking 2, 6-dimethylaniline as a raw material, carrying out amidation reaction on the 2, 6-dimethylaniline and a compou
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