US Patent Issued to SHANGHAI INSTITUTE OF ORGANIC CHEMISTRY, CHINESE ACADEMY OF SCIENCES on April 15 for "Class of phosphine nitrogen ligand with multiple chiral centers and its synthesis method and application" (Chinese Inventors)

ALEXANDRIA, Va., June 5 -- United States Patent no. 12,275,752, issued on April 15, was assigned to SHANGHAI INSTITUTE OF ORGANIC CHEMISTRY, CHINESE ACADEMY OF SCIENCES (Shanghai).

"Class of phosphine nitrogen ligand with multiple chiral centers and its synthesis method and application" was invented by Shengming Ma (Shanghai), Qi Liu (Shanghai) and Haibo Xu (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a phosphine nitrogen ligand with multiple chiral centers and its synthesis method and application. The ligand has the axial chirality of a biaryl skeleton and the central chirality of a chiral amine. The chiral ligand is synthesized from commercially available raw mat...