ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,422, issued on March 25, was assigned to NATIONAL TSING HUA UNIVERSITY (Hsinchu, Taiwan).
"Cyclopeptide and method for preparing the same" was invented by Chien-Tien Chen (Hsinchu, Taiwan) and Shiue-Shien Weng (Hsinchu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for preparing a cyclopeptide and a cyclopeptide preparing by the method are disclosed. The method includes the following steps: (a) providing compounds represented by formulas (I-1) and (I-4); (b) performing a reaction between the compounds of formulas (I-1) and (I-4) to obtain a compound represented by formula (I-5); (c) performing a reaction between the compound of for...