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REGIOSELECTIVITY OF (3+2) CYCLOADDITION OF AZOMETHINE YLIDES TO ACTIVATED OLEFINS IN THE SYNTHESIS OF SPIRO[OXINDOLE-3,2′-PYRROLIDINE] DERIVATIVES

Алексей Н. Изместьев, Галина А. Газиева, Ангелина Н. Кравченко
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Abstract


The effect of the structure of the starting compounds on the regioselectivity of the (3+2) cycloaddition of azomethine ylides to olefins activated by electron-withdrawing groups in the synthesis of spiro[oxindole-3,2′-pyrrolidine] derivatives is generalized and analyzed.

Keywords


azomethine ylide; isatin; nitrostyrene; spirooxindole; (3+2) cycloaddition; regioselectivity.

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