Abstract
A convenient method for the synthesis of functionalized spiroindolo[2,1-b]quinazoline-6,2′-[1,3,4]oxadiazoles from indolo[2,1-b]quinazoline-6,12-diones and 13 hydrazonoyl chlorides in refluxing MeCN is described. These transformations are highlighted by inert atmosphere and lack of activator or metal promoters.
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We would like to thank the Research Council of Tarbiat Modares University for supporting this work.
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Yavari, I., Askarian-Amiri, M. & Taheri, Z. A convenient synthesis of spiroindolo[2,1-b]quinazoline-6,2′-[1,3,4]oxadiazoles from tryptanthrin and nitrile imines. Monatsh Chem 150, 1093–1099 (2019). https://doi.org/10.1007/s00706-019-2367-3
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DOI: https://doi.org/10.1007/s00706-019-2367-3