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Efficient syntheses of a series of novel bisquinolines have been accomplished from 8-hydroxy quinolines under phase transfer catalyzed conditions using tetrabutylamoniumbromide as phase transfer catalyst. In vitro antibacterial and antifungal study of the synthesized analogues revealed six of them to show significant antibacterial and four to show(More)
Anticancer role of andrographolide is well documented. To find novel potent derivatives with improved cytotoxicity than andrographolide on cancer cells, two series of di-spiropyrrolidino- and di-spiropyrrolizidino oxindole andrographolide derivatives prepared by cyclo-addition of azomethine ylide along with sarcosine or proline (viz. sarcosine and proline(More)
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