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  • Title: Synthesis and antimicrobial activity of some thiazolinyl tetrahydrobenzo[b]thiophenes and thiazolinyl tetrahydrobenzothieno[2,3-d]pyrimidin-4-ones.
    Author: Aboulwafa OM, Ismail KA, Koreish EA.
    Journal: Farmaco; 1992 May; 47(5):631-42. PubMed ID: 1388604.
    Abstract:
    Two series of novel 3-carbethoxy-2-(3',4'-disubstituted-2',3'- dihydrothiazol-2'-ylidenamino)-4,5,6,7-tetrahydrobenzo[b] thiophenes (3a-o) and 2-methyl-3-(3',4'-disubstituted-2',3'-dihydrothiazol-2'-ylidena mino-5,6,7,8- tetrahydrobenzothieno[2,3-d]pyrimidin-4(3H) ones (8a-o) have been synthesized and tested for antimicrobial activity. All members of the series have been found to exhibit in vitro antibacterial and/or antifungal activities. Activity was optimized by cyclization to the thienopyrimidin-4-ones. In particular, compounds 8e and 8fd were the most active against the 3 tested microorganisms. Their antifungal activity was higher than that exhibited by nystatin while their MIC was found to be nearly equal to that of nystatin.
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