US Patent Issued to Tongli Biomedical, Zhejiang University on Nov. 25 for "Method for preparing (s)-1,2,3,4-tetrahydroisoquinoline-1 carboxylic acid and derivatives thereof" (Chinese Inventors)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,148, issued on Nov. 25, was assigned to Tongli Biomedical Co. Ltd. (Suzhou, China) and Zhejiang University (Hangzhou, China).

"Method for preparing (s)-1,2,3,4-tetrahydroisoquinoline-1 carboxylic acid and derivatives thereof" was invented by Jianping Wu (Suzhou, China), Shuyun Ju (Suzhou, China), Junwei Shi (Suzhou, China), Lirong Yang (Suzhou, China) and Mingxin Qian (Suzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a method for preparing (S)-1,2,3,4-tetrahydroisoquinoline-1-carboxylic acid and derivatives thereof, comprising: taking a racemate of a compound represented by Formula (I) or a racemate of a salt of the compound...