Preparation of Potassium Alkynylaryltrifluoroborates from Haloaryltrifluoroborates via Sonogashira Coupling Reaction

Title
Preparation of Potassium Alkynylaryltrifluoroborates from Haloaryltrifluoroborates via Sonogashira Coupling Reaction
Authors
김동수함정엽
Keywords
Alkynylaryltrifluoroborate; Haloaryltrifluoroborate; Sonogashira Reaction; Coupling Reaction
Issue Date
2010-03
Publisher
Organic letters
Citation
VOL 12, NO 5, 1092-1095
Abstract
A novel series of alkyne-containing potassium organotrifluoroborates were prepared in good yields from the corresponding haloaryltrifluoroborates and various alkynes via Sonogashira coupling reaction. Also, the Suzuki-Miyaura cross-coupling reaction of alkynylaryltrifluoroborates with aryl and alkenyl bromides was achieved in the presence of 5 mol % of Pd(TPP)4 and 3.0 equiv of Cs2CO3 in aqueous 1,4-dioxane at 150 °C by microwave irradiation.
URI
http://pubs.kist.re.kr/handle/201004/37208
ISSN
1523-7060
Appears in Collections:
KIST Publication > Article
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