Azomethine ylide cycloaddition of 2-C-formyl glycals with α-amino acids for the synthesis of substituted pyrroles
2021
Abstract A novel strategy has been devised for the synthesis of pyrrole based acyclo-C-nucleosides, in particular an open-chain sugar substituted pyrrole derivatives by means of the condensation of 2-C-formyl glycals with α-amino acids through an intramolecular azomethine cycloaddition under thermal conditions. The use of cyclic α-amino acids provides the corresponding bicyclic pyrrole derivatives. This is a first report on the synthesis of pyrrole based acyclo-C-nucleosides. 2009 Elsevier Ltd. All rights reserved.
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