A. Fisyuk, Yu. P. Bogza, L. Belyaeva
Oct 26, 2012
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Influential Citations
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Journal
Chemistry of Heterocyclic Compounds
Abstract
The iodination of 4-chloromethylthiophene-2-carbaldehyde by N-iodosuccinimide under solvent-free conditions gives 4-chloromethyl-5-iodothiophene-2-carbaldehyde, which is used to obtain 4-aryloxy-methyl-5-iodothiophene-2-carbaldehydes. The palladium-catalyzed intramolecular cyclization of 4-aryloxymethyl-5-iodothiophene-2-carbaldehydes yields 4H-thieno[3,2-c]chromene-2-carbaldehydes.