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Royal Society of Chemistry, Organic and Biomolecular Chemistry, 38(13), p. 9825-9833

DOI: 10.1039/c5ob01537e

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Metal/organo relay catalysis in a one-pot synthesis of methyl 4-aminopyrrole-2-carboxylates from 5-methoxyisoxazoles and pyridinium ylides

This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

Methyl 4-aminopyrrole-2-carboxylates were easily synthesized by the reaction of 5-methoxyisoxazoles with phenacylpyridinium salts under hybrid relay catalysis leading to 1-(5-methoxycarbonyl-1H-pyrrol-3-yl)pyridinium salts followed by a one pot Zincke cleavage.