Synthesis and cardiotonic activity of certain imidazo[2,1-b]-1,3,4-thiadiazole derivatives.
BOLLETTINO CHIMICO FARMACEUTICO 1997;
136:253-6. [PMID:
9164165]
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Abstract
A series of 5-imino-2-methyl-4-(4'-substituted phenacyl)-1,3, 4-thiadiazole derivatives 3-5 have been synthesized and further used to prepare a series of 2-methyl-6-(4'-substituted phenyl)imidazo[2, 1-b]-1,3,4-thiadiazoles 6-8 and 5-substituted-2-methyl-6-(4'-substituted phenyl) imidazo[2, 1-b]-1,3, 4-thiadiazoles 9-18. All of newly prepared imidazothiadiazole compounds were screened for their cardiotonic activity in isolated guinea pig atria. The detailed synthesis, spectroscopic and biological data are reported.
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