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Increased activity of in situ catalysts for alkyne metathesis
1Department of Chemistry and Biochemistry, The University of South Carolina, Columbia, South Carolina 29208, USA.
Organic Letters
|August 17, 2002
Abstract:
[reaction: see text] Reaction of an enyne (1,1-diphenyl-pent-1-ene-3-yne) with a preheated mixture of Mo(CO)6/4-chlorophenol/3-hexyne at 130 degrees C furnished 1,1,6,6-tetraphenylhex-1,5-diene-3-yne in an 80% yield. If the starting material was heated with a mixture of Mo(CO)6 and 4-chlorophenol under identical conditions, no reaction was observed.