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Communication | Special issue | Vol 39, No. 1, 1994, pp.39-42
Published online, 1st January, 1970
DOI: 10.3987/COM-94-S(B)24
An Efficient Synthesis of 1,2,3,4-Tetrasubsttituted Pyrroles via Intramolecular Azomethine Ylide [3+2] Dipolar Cycloaddition

Masahiro Toyota, Youichi Nishikawa, and Keiichiro Fukumoto*

*Pharnaceutical Institute, Tohoku University, Aramaki, Aoba-ku, sendai 980-8578, Japan


A sequence of reactions, involving intramolecular azomethine ylide [3+2] dipolar cycloaddition, was used to efficiently construct 1,2,3,4-tetrasubstituted pyrroles.