In one aspect, the invention relates to compounds having the formula XII:
where Ra, Rb, R2, R7, and X are as defined in the specification, or a pharmaceutically acceptable salt thereof. The compounds described herein are prodrugs of compounds having neprilysin inhibition activity. In another aspect, the invention relates to pharmaceutical compositions comprising these compounds; methods of using these compounds; and processes and intermediates for preparing these compounds.
该发明涉及具有公式XII的化合物:其中Ra、Rb、R2、R7和X如规范中所定义,或其药学上可接受的盐。本文所描述的化合物是具有神经肽酶抑制活性的前药。另一方面,该发明涉及包含这些化合物的制药组合物;使用这些化合物的方法;以及制备这些化合物的过程和
中间体。