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Published in 2020 at "RSC Advances"
DOI: 10.1039/c9ra10463a
Abstract: A convenient and efficient method for the regioselective macrocyclization of triazole bridged spiropyrrolidine-oxindole, and bis-spiropyrrolizidine-oxindole derivatives was accomplished through intra and self-intermolecular [3 + 2] cycloaddition of azomethine ylides. The chalcone isatin precursors 9a–i required…
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Keywords:
oxindole;
spiropyrrolidine oxindole;
spiropyrrolizidine oxindole;
cycloaddition azomethine ... See more keywords