Tag «LTD»

WO-2018001353, APREMILAST, NEW PATENT, ZHEJIANG HUAHAI PHARMACEUTICAL CO., LTD

It’s only fair to share… WO-2018001353, APREMILAST, NEW PATENT, ZHEJIANG HUAHAI PHARMACEUTICAL CO., LTD ¬†(WO2018001353) METHOD FOR PREPARING APREMILAST ZHEJIANG HUAHAI PHARMACEUTICAL CO., LTD DU, Xiaoqiu; (CN). ZHOU, Lianchao; (CN). LIU, Jiegen; (CN) https://patentscope.wipo.int/search/en/detail.jsf?docId=WO2018001353&recNum=1&maxRec=&office=&prevFilter=&sortOption=&queryString=&tab=FullText EN)Method one: (S) -1- (3-ethoxy-4-methoxyphenyl) -2- (methylsulfonyl) ethylamine N-acetyl-L-leucine salt of formula II is reacted with 3-acetylaminophthalic anhydride of formula III …

WO 2016145990, Ledipasvir, New patent, SHANGHAI FOREFRONT PHARMACEUTICAL CO., LTD

It’s only fair to share… WO 2016145990, Ledipasvir, New patent,¬†SHANGHAI FOREFRONT PHARMACEUTICAL CO., LTD (WO2016145990) METHOD OF PREPARATION FOR LEDIPASVIR AND DERIVATIVE THEREOF, AND INTERMEDIATE COMPOUND FOR PREPARATION OF LEDIPASVIR SHANGHAI FOREFRONT PHARMCEUTICAL CO., LTD [CN/CN]; Room 1306, No.781 Cailun Road China (Shanghai) Pilot Free Trade Zone, Pudong New Area Shanghai 201203 (CN) HUANG, Chengjun; …