US Patent Issued to Enanta Pharmaceuticals on Sept. 29 for "Processes for the preparation of substituted spirooxindole derivatives" (Massachusetts, New Jersey Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,248, issued on Sept. 29, was assigned to Enanta Pharmaceuticals Inc. (Watertown, Mass.).

"Processes for the preparation of substituted spirooxindole derivatives" was invented by Kaicheng Zhu (Belmont, Mass.), Tao Wang (Berkeley Heights, N.J.), Xin Zhang (Waltham, Mass.), Xiaowen Peng (Sudbury, Mass.), Ruichao Shen (Belmont, Mass.), Jiajun Zhang (Cambridge, Mass.), Wei Li (Lexington, Mass.), Hui Cao (Belmont, Mass.), Xuri Gao (Newtonville, Mass.), Guoqiang Wang (Belmont, Mass.), George G. Wu (Waltham, Mass.) and Yat Sun Or (Waltham, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to processes for preparing a compou...