Synthesis of 2-Arylbenzo[b]furans via Copper(I)-Catalyzed Coupling of o-Iodophenols and Aryl Acetylenes

Organic Letters

Volumn 4, Issue 26, 2002, Pages 4727-4729

  Bates, Craig G ^a   Saejueng, Pranorm ^a   Murphy, Jaclyn M ^a   Venkataraman, D ^a  

^a UNIVERSITY OF MASSACHUSETTS   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ALKYNE; BENZOFURAN DERIVATIVE; COPPER; IODOBENZENE;

ARTICLE; CATALYSIS; CHEMISTRY; SYNTHESIS;

ALKYNES; BENZOFURANS; CATALYSIS; COPPER; IODOBENZENES;

EID: 0038362007     PISSN: 15237060     EISSN: None     Source Type: Journal    
DOI: 10.1021/ol0272040     Document Type: Article

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36. b modified Castro's procedure using cuprous oxide (63 mol %) and various acetylenes, but this procedure still requires the use of refluxing pyridine and the amount of copper required is still high. The scope and potential of these reactions have not been fully explored: (a) Castro, C. E.; Gauchan, E. J.; Owsley, D. C. J. Org. Chem. 1966, 31, 4071-4078. (b) Doad, G. J. S.; Barltrop, J. A.; Petty, C. M.; Owen, T. C. Tetrahedron Lett. 1989, 30, 1597-1598.