Journal
CHEMISTRY-AN ASIAN JOURNAL
Volume 1, Issue 3, Pages 417-429Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/asia.200600031
Keywords
aryl halides; crosscoupling; heterogeneous catalysis; microwaves; nickel
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Funding
- NIGMS NIH HHS [GM 40287] Funding Source: Medline
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A study involving the relatively rare combination of heterogeneous catalysis conducted under microwave conditions is presented. Carbon-carbon bond formation, including Negishi and Suzuki couplings, can be quickly effected with aryl chloride partners by using a base metal (nickel) adsorbed in the pores of activated charcoal. Aminations were also studied, along with cross-couplings of vinyl alanes with benzylic chlorides as a means to stereodefined allylated aromatics. Reaction times for all these processes are typically reduced from several hours to minutes in a microwave reactor.
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