申请人:National Tsing Hua University
公开号:US10851134B2
公开(公告)日:2020-12-01
A method for preparing a cyclopeptide, which includes the following steps: (A) providing compounds represented by the following formulas (II-1) or (II′-1) and (II-2); (B) performing a reaction between the compounds of formulas (II-1) or (II′-1) and (II-2), to obtain a compound represented by the following formula (II-3) and (II′-3), respectively; (C) performing a reaction between the compound of formula (II-3) or (II′-3) and a compound represented by the following formula (II-4) or (II′-4), respectively, is performed, to obtain a compound represented by the following formula (II-5), and (II′-5), respectively; (D) performing a cyclization reaction of the compound of formula (II-5) or (II′-5) with a catalyst of formula (III), to obtain a compound represented by the following formula (I) or (I′), respectively. The formulas (I), (I′), (II-1) to (II-5), (II′-1) to (II′-5) and (III) are shown in the specification.
一种制备环肽的方法,它包括下列步骤:(A)提供下式(Ⅱ-1)或(Ⅱ′-1)和(Ⅱ-2)所代表的化合物;(B)在式(Ⅱ-1)或(Ⅱ′-1)和(Ⅱ-2)的化合物之间进行反应,分别得到下式(Ⅱ-3)和(Ⅱ′-3)所代表的化合物;(C)将式(Ⅱ-3)或(Ⅱ′-3)化合物分别与下式(Ⅱ-4)或(Ⅱ′-4)代表的化合物进行反应,分别得到下式(Ⅱ-5)和(Ⅱ′-5)代表的化合物;(D)用式(III)催化剂对式(II-5)或(II′-5)化合物进行环化反应,分别得到下式(I)或(I′)代表的化合物。式(Ⅰ)、(Ⅰ′)、(Ⅱ-1)至(Ⅱ-5)、(Ⅱ′-1)至(Ⅱ′-5)和(Ⅲ)如说明书所示。