Journal
ORGANIC LETTERS
Volume 13, Issue 5, Pages 944-947Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ol102993y
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Funding
- Korean Government [2009-0077677]
- National Research Foundation of Korea [2009-0077677, 2009-0072357, 과06B1512] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Alkynyl carboxylic acids reacted with aryl iodides under a CO atmosphere in the presence of a palladium catalyst to produce alpha,beta-alkynyl aryl ketones in good yields. The maximum turnover number was 16800. The desired carbonylative coupling was formed from phenyl propiolic acid without any formation of a noncarbonylative coupling product in the absence of Cul. However, the reaction with alkyl-substituted alkynyl carboxylic acids required Cul as a cocatalyst for high yield.
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