Abstract
A series of ordered mesoporous organic–inorganic hybrid material are designed by using the SO3H-functionalized SBA-15 [(PdX2@SBA-15/SO3H or Pd(PrSO3)2@SBA-15) and (Pd-NPs@SBA-15/SO3H or Pd-NPs(PrSO3)@SBA-15)] as solid supports for palladium ions. Among them, the encapsulated Pd(MeCN)2Cl2 into the SBA-15/SO3H and Pd-NPs@SBA-15/SO3H exhibit higher activity and selectivity toward Suzuki cross-coupling reaction in aerobic condition and water/DMF solvent. These heterogeneous palladium precatalysts could be separated from the reaction mixture and reused at least 11 times.
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