US Patent Issued to Enanta Pharmaceuticals on June 2 for "Spiropyrrolidine derived antiviral agents" (Massachusetts Inventors)

ALEXANDRIA, Va., June 2 -- United States Patent no. 12,643,905, issued on June 2, was assigned to Enanta Pharmaceuticals Inc. (Watertown, Mass.).

"Spiropyrrolidine derived antiviral agents" was invented by Xuri Gao (Newtonville, Mass.), Wei Li (Lexington, Mass.), Jiajun Zhang (Cambridge, Mass.), Xiaowen Peng (Sudbury, Mass.), Hui Cao (Belmont, Mass.), Jorden Kass (Arlington, Mass.), Ruichao Shen (Belmont, Mass.), Guoqiang Wang (Belmont, Mass.) and Yat Sun Or (Waltham, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses compounds of Formula (I), and pharmaceutically acceptable salts, thereof:which inhibit coronavirus replication activity. The invention further relates to pharm...