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Aqueous DMF-potassium carbonate as a substitute for thallium and silver additives in the palladium-catalyzed conversion of aryl bromides to acetyl arenes
2001 (English)In: Journal of Organic Chemistry, ISSN 0022-3263, E-ISSN 1520-6904, Vol. 66, no 12, 4340-4343 p.Article in journal (Refereed) PublishedText
Abstract [en]

Highly selective palladium-catalyzed internal alpha -arylations of alkyl vinyl ethers with aryl and heteroaryl bromides were conveniently conducted in aqueous DMF with potassium carbonate as base and with DPPP as bidentate ligand. The corresponding acetyl arene products were, after hydrolysis, isolated in good to excellent yields. This Heck reaction procedure does not require toxic thallium or expensive silver salt additives, is promoted by water, and is suggested to proceed via charged organopalladium intermediates. Single-mode microwave irradiation was utilized in one example to shorten the reaction time.

Place, publisher, year, edition, pages
Uppsala Univ, Dept Organ Pharmaceut Chem, BMC, SE-75123 Uppsala, Sweden., 2001. Vol. 66, no 12, 4340-4343 p.
National Category
Organic Chemistry
URN: urn:nbn:se:uu:diva-275423DOI: 10.1021/jo015599fISI: 000169235700033PubMedID: 11397173OAI: oai:DiVA.org:uu-275423DiVA: diva2:900265
Available from: 2016-02-03 Created: 2016-02-03 Last updated: 2016-02-03

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