Abstract
1,3-Dipolar cycloaddition of methyl 4-[2-(2-oxo-1,2-dihydro-3H-indol-3-ylidene)acetyl]phenylcarbamate to non-stabilized azomethine ylides generated by decarboxylation of α-amino acid (sarcosine and proline) adducts with ketones (isatin and ninhydrin) occurred regioselectively with formation of the corresponding spiro compounds having a carbamate moiety.
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Original Russian Text © A.V. Velikorodov, O.Yu. Poddubnyi, O.O. Krivosheev, O.L. Titova, 2011, published in Zhurnal Organicheskoi Khimii, 2011, Vol. 47, No. 3, pp. 409–411.
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Velikorodov, A.V., Poddubnyi, O.Y., Krivosheev, O.O. et al. Three-component synthesis of spiro compounds with a carbamate functionality. Russ J Org Chem 47, 402–404 (2011). https://doi.org/10.1134/S1070428011030122
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DOI: https://doi.org/10.1134/S1070428011030122