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One‐pot synthesis of pyrano‐ and furanoquinolines catalyzed by molten tetra‐ n ‐butylphosphonium bromide under solvent‐free conditions
Author(s) -
Salehi Javad,
Veisi Hojat,
Khodaei Mohammad M.,
Khosropour Ahmad R.
Publication year - 2011
Publication title -
journal of heterocyclic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.321
H-Index - 59
eISSN - 1943-5193
pISSN - 0022-152X
DOI - 10.1002/jhet.583
Subject(s) - chemistry , tetra , bromide , catalysis , stereoselectivity , solvent , organic chemistry , polymerization , one pot synthesis , combinatorial chemistry , polymer chemistry , medicinal chemistry , polymer
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).