US 12,234,208 B2
3,4-dihydroxy-n-(1′-benzyl-2′-hydroxyethyl)-2-methylpyridine chloride, and synthesis and use thereof
Yongping Yu, Hangzhou (CN); Robert Charles Hider, London (GB); Xin Yuan, Hangzhou (CN); Feng Han, Nanjing (CN); Wenteng Chen, Hangzhou (CN); Guolin Zhang, Hangzhou (CN); Zudong Liu, Hangzhou (CN); and Yu Zhang, Nanjing (CN)
Assigned to HANGZHOU ZEDE PHARMA-TECH CO. LTD., Hangzhou (CN)
Filed by HANGZHOU ZEDE PHARMA-TECH CO. LTD., Zhejiang (CN)
Filed on Jun. 26, 2022, as Appl. No. 17/849,677.
Application 17/849,677 is a continuation of application No. PCT/CN2020/097578, filed on Jun. 23, 2020.
Claims priority of application No. 202010063101.9 (CN), filed on Jan. 19, 2020.
Prior Publication US 2022/0356156 A1, Nov. 10, 2022
Int. Cl. C07D 213/69 (2006.01); A61P 25/16 (2006.01)
CPC C07D 213/69 (2013.01) [A61P 25/16 (2018.01)] 6 Claims
 
1. A 3,4-dihydroxyl-N-(1′-benzyl-2′-hydroxyethyl)-2-methyl pyridine chloride with a structural formula as shown in Formula (I), wherein a compound A in the Formula (I) has a R configuration and a compound B in the Formula (I) has a S configuration:

OG Complex Work Unit Chemistry
or pharmaceutically acceptable salts thereof.