Journal
ADVANCED SYNTHESIS & CATALYSIS
Volume 351, Issue 4, Pages 635-641Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.200800624
Keywords
accelerating effect; arylboronic acids; cross-coupling reactions; iodine; polyethylene glycol 400 (PEG-400)
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Funding
- National Natural Science Foundation of China [20802046]
- Key Laboratory of Organic Synthesis of Jiangsu Province
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Suzuki-type coupling reactions can be performed directly in air using a catalytic system composed of iodine, potassium carbonate, and polyethylene glycol 400 (I-2/K2CO3/PEG-400). Iodine was found to be an effective additive for accelerating these couplings. The methodology is also suitable for the coupling of (E)-beta-bromostyene with phenylboronic acid, with retention of the double bond geometry.
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