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Multifunctionalized 3-hydroxypyrroles in a Three-step, One-pot Cascade Process from Methyl 3-TBSO-2-diazo-3-butenoate and Nitrones

Overview
Journal Org Lett
Specialties Biochemistry
Chemistry
Date 2011 Oct 29
PMID 22032199
Citations 16
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Abstract

The synthesis of N-aryl-2-carboxyl-3-hydroxy-5-arylpyrroles has been achieved in high yield by the combination of a TBSO-substituted vinyldiazoacetate and nitrones in a one-pot cascade process involving copper-catalyzed Mannich addition, dirhodium-catalyzed dinitrogen extrusion and N-OTBS insertion, and acid-promoted aromatization (elimination).

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