Novel compounds of the formula I ##STR1## in which X is an anion, and a process for the preparation thereof, are described. Compounds of the formula I are used as coupling reagents in peptide synthesis.
本发明涉及一种化合物,其
化学式为I ##STR1## 其中X是阴离子,并描述了其制备方法。化合物I可用作肽合成中的偶联试剂。