✦ LIBER ✦

One-pot synthesis of pyrano- and furanoquinolines catalyzed by molten tetra-n-butylphosphonium bromide under solvent-free conditions

✍ Scribed by Javad Salehi; Hojat Veisi; Mohammad M. Khodaei; Ahmad R. Khosropour

Publisher: Journal of Heterocyclic Chemistry
Year: 2010
Tongue: English
Weight: 102 KB
Volume: 48
Category: Article
ISSN: 0022-152X
DOI: 10.1002/jhet.583

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✦ Synopsis

Abstract

Molten tetra‐n‐butylphosphonium bromide is found to be a practical and inexpensive catalytic media for stereoselective one‐pot synthesis of pyranoquinoline and furanoquinoline derivatives in good to excellent yields. Products of undesirable reactions resulting from polymerization are not observed. The use of this catalyst media avoids the use of any cocatalysts or toxic organic solvents. J. Heterocyclic Chem., (2011).

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