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Low-valent Titanium Induced Intramolecular Reductive Coupling of Keto-enamines: A Facile Synthesis of 2,3,5-Trisubstituted Pyrroles

✍ Scribed by Fan Xue-Sen; Zhang Xin-Ying; Zhang Yong-Min

Publisher: John Wiley and Sons
Year: 2010
Tongue: English
Weight: 257 KB
Volume: 21
Category: Article
ISSN: 0256-7660
DOI: 10.1002/cjoc.20030210323

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✦ Synopsis

Abstract

Promoted by low‐valent titanium reagent which was generated in situ from Sm/TiCl~4~ system, keto‐enamine derivatives underwent efficient intromolecular deoxygenative coupling reactions and afforded the corresponding 2,3,5‐trisubstituted pyrroles in moderate to good yields under mild reaction conditions.

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