A Facile One-Pot Synthesis of Functionalized N-Hydroxypyrrole Mediated by Vinyl-Triphenylphosphonium Salt

Document Type : Research Note

Authors

1 Department of Chemistry, Tarbiat Modares University, P.O. Box 14155-4838, Tehran, I.R. IRAN

2 Department of Chemistry, Tarbiat Modarres University, P.O. Box 14155-4838, Tehran, I.R. IRAN

3 Department of Chemistry, Islamic Azad University, Science and Research Campus, Tehran, I.R. IRAN

10.30492/ijcce.1998.10312

Abstract

Protonation of the reactive intermediates generated in the raction between dalkyl acetylenedicarboxylates and triphenylphosphine by isonitrosoacetophenone leads to vinyltriphenylphosphonium salts, which undergo intramolecular Wittig reaction to produce dalkyl 4-phenyl-N-hydroxypyrrole-2,3-dicarboxylates in moderate yields.

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