Browsing by Author "Sarrafi, Yaghoub"
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Item Synthesis of spirooxindolopyrrolizidines through1,3-dipolar cycloaddition of azomethine ylide with aryl vinyl ethers and vinyl sulfides(Видавництво Львівської політехніки, 2011) Sarrafi, Yaghoub; Sadatshahabi, Marzieh; Alimohammadi, KamalThe one-pot three-component 1,3-dipolar cycloaddition of the azomethine ylide, which were generated in situ from isatin and proline, with aryl vinyl ethers/vinyl sulfides were afforded spirooxindolopyrrolizidines in excellent yields. The regiochemistry and structures of the cycloadducts were determined with spectroscopic data and by X-ray crystal structure analysis.