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The 1,3-dipolar cycloaddition reaction of azomethine ylides generated in situ from isatin and secondary amino acids with quinolinyl dipolarophiles in refluxing methanol afforded new class of quinolinyl dispiro heterocycles with multi hetero core units. The regio and stereochemistry of the product was unambiguously assigned by 1 H, 13 C, 2D NMR techniques and single crystal X-ray analysis...
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