ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,373, issued on Dec. 16, was assigned to Shanghai Boc Chemical Co. Ltd. (Shanghai).
"Intermediate compounds used for preparing brivaracetam, preparation methods for intermediate compounds, and use" was invented by Shangli Li (Shanghai), Wei Guo (Shanghai) and Hailin Jing (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides intermediates used for preparing Brivaracetam, a preparation method and a use thereof, including an intermediate compound A and an intermediate compound B and a preparation method thereof, as well as a synthetic route for using the intermediate compound B to prepare Brivaracetam. The present tech...