found to undergo stereospecific intramolecular amidoalkylation to give derivatives of 4-amino-2-benzazepin-3-one-1-carboxylic acid 5 (ABZC). The cyclic compounds 5a-g are conformationally restricted peptides containing a bridged Phe-Gly moiety.
制备了Phe-α-甲氧基甘
氨酸的衍
生物(4),发现其进行了立体有择的分子内酰胺烷基化反应,得到了4-
氨基-2-苯并ze庚因-3-一-1-
羧酸5(A
BZC)的衍
生物。环状化合物5a-g是含有桥连的Phe-Gly部分的构象受限的肽。