Angiotensin-converting enzyme inhibitors: Synthesis and structure-activity relationships of potent N-benzyloxycarbonyl tripeptide inhibitors.
作者:Tadahiro SAWAYAMA、Masatoshi TSUKAMOTO、Takashi SASAGAWA、Kazuya NISHIMURA、Ryuichi YAMAMOTO、Takashi DEGUCHI、Kunihiko TAKEYAMA、Kanoo HOSOKI
DOI:10.1248/cpb.37.2417
日期:——
(Z) tripeptide inhibitors of angiotensin-converting enzyme (ACE) was synthesized. The effect of varying the antepenultimate amino acid residue in this series on the biological activity was studied. Introduction of Lys and Orn residues at the P1 position provided the most potent inhibitors, 25a and 25b (IC50: 3.5 and 4.9 x 10(-9) M, respectively), which exhibited an oral antihypertensive activity. This
合成了一系列新的含γ-D-Glu的血管紧张素转化酶(ACE)的N-苄氧基羰基(Z)三肽抑制剂。研究了改变该系列中前倒数第二个氨基酸残基对生物活性的影响。在P1位置引入Lys和Orn残基可提供最有效的抑制剂25a和25b(IC50:分别为3.5和4.9 x 10(-9)M),具有口服降压活性。该结果表明,在该系列中,P1位的碱性氨基酸残基在与ACE的S1亚位点的结合中起重要作用。评价了所选化合物的口服降压活性。