Journal
MONATSHEFTE FUR CHEMIE
Volume 150, Issue 6, Pages 1093-1099Publisher
SPRINGER WIEN
DOI: 10.1007/s00706-019-2367-3
Keywords
Spiro compound; 1,3-Dipolar cycloaddition; Tryptanthrin; 1,3,4-Oxadiazole; Azomethine ylide
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Funding
- Research Council of Tarbiat Modares University
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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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