The diversification and synthetic utility of carbyne complexes in organometallic chemistry and catalysis are well recognized, but the syntheses of related heavier Group 14 alkylidyne complexes are recent advancement. A...
Nano‐ferrite‐supported Cu nanoparticles (Fe‐dopamine‐Cu NPs) catalyzed anti‐Markovnikov‐selective hydroboration of alkenes with B2pin2 is reported under mild reaction conditions. This protocol can be applied to a broad range of substrates with high functional group compatibility. In addition, we demonstrated the use of Fe‐dopamine‐Cu NPs as a catalyst for the β‐borylation of α,β‐unsaturated ketones and ester, providing alkylboronate esters in up to 98% yield. Reuse of the magnetically recyclable catalyst resulted in no significant loss of activity in up to five reaction runs for both systems.
Organoboranes are important reagents in modern synthetic organic chemistry. The CÀ B bonds presented in these derivatives are transformable into a CÀ X (X=C, N, O, and halogen) bonds stereoretentively to provide valuable complex molecules employed in medicinal chemistry, agrochemicals, natural products, and materials science. The homogeneous transition-metalcatalyzed borylation reaction is one of the most effective methodologies to synthesize organoboranes. However, these catalytic systems suffer from the inability to recover the catalysts and metal contamination into products, which limits their application towards chemical and pharmaceutical processes. Recently, the metal-organic frameworks (MOFs)-based heterogeneous catalytic systems have gained prominence to overcome these limitations. This review article surveys the employment of MOFs-based catalysts in the borylation reactions, and the related mechanisms are also discussed.
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