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    • 32. 发明申请
    • BRANCHED BUILDING UNITS FOR SYNTHESIZING CYCLIC PEPTIDES
    • 用于合成循环肽的分支建筑单元
    • WO99031121A3
    • 1999-08-19
    • PCT/EP1998/008187
    • 1998-12-14
    • C07C229/36C07C237/10C07C271/20C07C271/22C07K5/02C07K5/06C07K5/065
    • C07K5/06052C07C229/36C07C237/10C07C271/20C07C271/22C07K5/02C07K5/06078Y02P20/55
    • The present invention relates to building units suitable for the synthesis of backbone cyclized peptides. The building units of this invention have structures of the formula (I): X-AAm-U-AAp-Y wherein AAm and AAp are residues of natural or synthetic amino acids and U is C ON[(CH2)n+1W] or PSI (C H2N)[CO(CH2)qW], in which C is a carbon atom and is the alpha carbon of AAm if m > 0. W is NH-X or COY, and X is H, Boc, Z, Fmoc, or Alloc while Y is the hydroxyl group of a carboxylic acid moiety or a carboxylic acid protecting group. The letter m refers to an integer from 0 to 10; n is a number from 0 to 6; p is a number from 1 to 10; and q is a number from 1 to 6. The present invention is also directed to methods of synthesizing building units of formula (I) via different routes.
    • 本发明涉及适用于合成骨架环化肽的构建单元。 本发明的构建单元具有式(I)的结构:X-AAm-U-AAp-Y,其中AAm和AAp是天然或合成氨基酸的残基,U是C [ON(O)n + 1W]或PSI(C H2N)[CO(CH 2)qW],其中Cα是碳原子,如果m> 0,则是AAm的α碳.W是NH-X或COY,以及 X是H,Boc,Z,Fmoc或Alloc,而Y是羧酸部分或羧酸保护基的羟基。 字母m表示从0到10的整数; n是从0到6的数字; p是从1到10的数字; 并且q是1至6的数字。本发明还涉及通过不同途径合成式(I)的建筑单元的方法。