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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 36, 2006 - Issue 15
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Original Articles

Short Synthesis of Pulchellalactam

, &
Pages 2253-2257 | Received 24 Oct 2005, Published online: 16 Feb 2007
 

Abstract

tert‐Butyl 4‐methyl‐2‐oxo‐2,5‐dihydro‐1H‐pyrrole‐1‐carboxylate 4 was synthesized by a short two‐step procedure: regioselective 1,3‐dipolar diazomethane cycloaddition to N‐Boc‐pyrrolinone 2 and thermolysis of the adduct. The compound 4 could be converted in one step into pulchellalactam.

Acknowledgment

We are grateful to CNRS and Professor J. Y. Lallemand, director of ICSN, for financial support (J.‐P. H; V. C.).

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