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1,5-Electrocyclization of conjugated azomethine ylides derived from 3-formyl chromene and N-alkyl amino acids/esters

Abstract

A novel strategy has been developed for the synthesis of chromeno[3,4-b]pyrrol-4(3H)-one and substituted pyrrole derivatives through 1,5-electrocyclization of conjugated azomethine ylides. This is the first example on the preparation of highly substituted pyrrole derivatives from chromene-3-carboxaldehydes (non-enolizable aldehydes) and N-alkyl amino acid/esters. This method is simple and applicable to a diverse range of substrates.

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Publication details

The article was received on 22 Mar 2017, accepted on 10 Aug 2017 and first published on 11 Aug 2017


Article type: Paper
DOI: 10.1039/C7OB00705A
Citation: Org. Biomol. Chem., 2017, Accepted Manuscript
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    1,5-Electrocyclization of conjugated azomethine ylides derived from 3-formyl chromene and N-alkyl amino acids/esters

    V. S. R. Basireddy, P. R. Elala, S. Alleni, S. Balasubramanian, H. Y and J. R. Y. , Org. Biomol. Chem., 2017, Accepted Manuscript , DOI: 10.1039/C7OB00705A

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