Ultrasound-mediated efficient synthesis of dihydrothiopyrano[2,3-b]indole-3-carbonitrile derivatives |
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| Authors: | Salman Taheri Ali Asghar Mohammadi Reza Ahdenov Robab Azarlak |
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| Affiliation: | 1.Laboratory of Organic Synthesis and Natural Products,Chemistry and Chemical Engineering Research Center of Iran,Tehran,Iran |
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| Abstract: | An efficient one-pot synthesis of fused dihydrothiopyrano[2,3-b]indole-3-carbonitriles has been developed through ultrasound mediated reaction by simply combining malononitrile and various aldehydes with two indoline-2(3H)-thiones. The method has the advantages of high yields, short reaction time, good functional group tolerance and green reaction conditions. |
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