ZHEJIANG JIUZHOU PHARMACEUTICAL CO., LTD. Patent applications |
Patent application number | Title | Published |
20150148548 | Silodosin Intermediate and Preparation Method Therefor - Disclosed are a silodosin intermediate and a preparation method thereof. The silodosin intermediate has the structure shown by the formula (A). X is hydrogen or bromide and R | 05-28-2015 |
20140194638 | Spirobenzylamine-Phosphine, Preparation Method Therefor And Use Thereof - The present invention relates to a spirobenzylamine-phosphine, preparation method therefor and use thereof. The compound has a structure represented by formula (I), wherein n=0 to 3; R | 07-10-2014 |
20130245258 | Preparation Method of alpha-imatinib Mesylate - Disclosed is a preparation method of α-imatinib mesylate. The reaction temperature of the method is low and the yield of the crystal is improved. Furthermore, the method is applicable to the industrial production. | 09-19-2013 |
20130066102 | LACOSAMIDE INTERMEDIATE COMPOUND, PREPARATION METHOD THEREOF AND USE THEREOF - A new compound is provided, which is used for preparing lacosamide. A novel method for preparing lacosamide is also provided. During the reaction, iodomethane and silver oxide that are cost expensive are not used, nor a Pd-c catalyst is used, so the production cost is low, the raw materials and accessory materials are cheap and easily available, and the process is simple, so that industrial production is easy to realize; and moreover, the yield is high, and good economic efficiency can be achieved. | 03-14-2013 |
20120283466 | LACOSAMIDE INTERMEDIATE COMPOUND, PREPARATION METHOD THEREOF AND USE THEREOF - A new compound is provided, which is used for preparing lacosamide. A novel method for preparing lacosamide is also provided. During the reaction, iodomethane and silver oxide that are cost expensive are not used, nor a Pd-c catalyst is used, so the production cost is low, the raw materials and accessory materials are cheap and easily available, and the process is simple, so that industrial production is easy to realize; and moreover, the yield is high, and good economic efficiency can be achieved. | 11-08-2012 |