Preparation of Potassium Alkynylaryltrifluoroborates from Haloaryltrifluoroborates via Sonogashira Coupling Reaction
- Preparation of Potassium Alkynylaryltrifluoroborates from Haloaryltrifluoroborates via Sonogashira Coupling Reaction
- 김동수; 함정엽
- Alkynylaryltrifluoroborate; Haloaryltrifluoroborate; Sonogashira Reaction; Coupling Reaction
- Issue Date
- Organic letters
- VOL 12, NO 5, 1092-1095
- 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.
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