In one aspect, the invention relates to compounds having the formula:
where R1-R6, a, b, and X are as defined in the specification, or a pharmaceutically acceptable salt thereof. These compounds have neprilysin inhibition activity. In another aspect, the invention relates to pharmaceutical compositions comprising such compounds; methods of using such compounds; and processes and intermediates for preparing such compounds.
在一个方面,本发明涉及具有以下式子的化合物:其中R1-R6,a,b和X如规范中所定义,或其药学上可接受的盐。这些化合物具有酰肽酶抑制活性。在另一个方面,本发明涉及包括这种化合物的制药组合物;使用这种化合物的方法;以及制备这种化合物的过程和
中间体。