Heck and Suzuki reactions proceed in good yield in supercritical carbon dioxide in the presence of palladium acetate and tri-tert-butylphosphine with both free and polymer-tethered substrates.

The palladium-catalysed formation of C-N bonds to produce a range of aryl amines in supercritical carbon dioxide is reported; carbamic acid formation is avoided in part by the use of N-silylamines as surrogates for the free amine.

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