Synthesis of N-alkyl pyrroles via decarboxylation/dehydration in neutral ionic liquid under catalyst-free conditions
作者:Veena D. Yadav、Shashikant U. Dighe、Sanjay Batra
DOI:10.1039/c4ra09797a
日期:——
A catalyst-free benign route toN-alkyl pyrroles by reacting aromatic, heteroaromatic or aliphatic aldehydes with 4-hydroxyproline in neutral ionic liquid under microwave irradiation is presented.
trans-4-Hydroxy-l-proline: a novel starting material for N-alkylpyrroles synthesis
作者:A. Vijay Kumar、K. Rama Rao
DOI:10.1016/j.tetlet.2011.04.045
日期:2011.6
resulting in the formation of N-alkylpyrroles in good to excellent yields, via decarboxylation followed by redox isomerization under neutral conditions. The neutral conditions allow access to efficient synthesis of N-alkyl pyrroles with high functional group tolerance.