摘要 |
Heterocyclic are provided which are sodium/proton exchange (NHE) inhibitors which have the structure wherein n is 1 to 5; X is N or C-R<SUP>5 </SUP>wherein R<SUP>5 </SUP>is H, halo, alkenyl, alkynyl, alkoxy, alkyl, aryl or heteroaryl; Z is a heteroaryl gorup, R<SUP>1</SUP>, R<SUP>2</SUP>, R<SUP>3 </SUP>and R<SUP>4 </SUP>are as defined herein, and where X is N, R<SUP>1 </SUP>is preferably aryl or heteroaryl, and are useful as antianginal and cardioprotective agents. In addition, a method is provided for preventing or treating angina pectoris, cardiac dysfunction, myocardial necrosis, and arrhythmia employing the above heterocyclic derivatives.
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