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1,3-Dipolar cycloaddition reactions of benzo[b]thiophene 1,1-dioxide with azomethine ylides
Authors:Nela Malatesti
Institution:Department of Chemistry, University of Hull, Cottingham Road, Hull HU6 7RX, UK
Abstract:New pyrrolo derivatives of benzob]thiophene 1,1-dioxide have been synthesised via 1,3-dipolar cycloaddition reactions. Reaction of benzob]thiophene 1,1-dioxide with stabilised azomethine ylides gave products in low yield but high stereoselectivity whereas reaction with non-stabilised azomethine ylides gave high overall yields but low stereoselectivity.
Keywords:1  3-Dipolar cycloaddition reactions  Benzo[b]thiophene 1  1-dioxide  Azomethine ylides  Regio- and stereoselectivity
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