The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 25, 2025
Filed:
Jul. 14, 2022
National Tsing Hua University, Hsinchu, TW;
Chien-Tien Chen, Hsinchu, TW;
Shiue-Shien Weng, Hsinchu, TW;
NATIONAL TSING HUA UNIVERSITY, Hsinchu, TW;
Abstract
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 formula (I-5) and the compound represented by formula (I-6) to obtain a compound represented by formula (I-7); (d) performing a cyclization reaction of the compound of formula (I-7) with a catalyst of formula (II) and deprotection to obtain a compound represented by formula (III), wherein the compounds of formulas (I-1), (I-4) to (I-7), (III) and the catalyst of formula (II) are as defined in the specification.