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; …