作者:Toshihisa Ueda、Morinobu Saito、Tetsuo Kato、Nobuo Izumiya
DOI:10.1246/bcsj.56.568
日期:1983.2
Several cyclic dipeptides were synthesized by refluxing methanolic solution of dipeptide methyl esters in high yield and purity. Cyclic dipeptides prepared by the Fischer method, the Nitecki method, and the present methanol-reflux method were compared with respect to yield and optical purity. The methanol-reflux method usually gave good results. High-performance liquid chromatography was effectively applied to detect racemization.
通过回流二肽甲酯的甲醇溶液,合成了几个高产率和高纯度的环状二肽。通过Fischer法、Nitecki法和当前的甲醇回流法准备的环状二肽,在产率和光学纯度方面进行了比较。甲醇回流法通常能得到良好的结果。高效液相色谱法有效地应用于检测外消旋化。