Cycloheptimidazole derivatives, method of manufacturing the same and therapeutic agents containing these compounds
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United States of America Patent
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Apr 25, 1995
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N/A
app pub date -
May 21, 1993
filing date -
May 22, 1992
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Abstract
New therapeutic agents of cycloheptimidazole derivatives are disclosed, which are represented by the following formula or its alkali-addition salts. ##STR1## (wherein R.sub.1 represents H or isopropyl group; R.sub.2 represents a lower alkyl; R.sub.3 represents a carboxylic acid or tetrazole group. A and A.sub.1 are substituted groups at 4 or 8 position and A.sub.1 is a hydrogen or hydroxy group when A is a hydrogen or A and A.sub.1 is an oxo group. The dotted line '- - - -' is two double bonds or saturated single bonds). These compounds are useful as anti-hypertensive or anti-congestive heart failure agents.
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