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Ultrasound promoted Suzuki cross-coupling reactions in ionic liquid at ambient conditions
R Rajagopal1, Dilip V Jarikote, K V Srinivasan
1Technology Division, National Chemical Laboratory, Pune 411 008, India.
Chemical Communications (Cambridge, England)
|July 18, 2002
Abstract:
Palladium catalyzed Suzuki cross-coupling reactions of halobenzenes including chlorobenzenes with phenylboronic acid have been achieved at ambient temperature (30 degrees C) in the absence of a phosphine ligand using the ionic liquid 1,3-di-n-butylimidazolium tetrafluoroborate [bbim][BF4] with methanol as co-solvent under ultrasonic irradiation.