Wu, Fengshou published the artcileRecyclable Silica-Supported Iridium Bipyridine Catalyst for Aromatic C-H Borylation, Quality Control of 408492-29-5, the publication is ACS Catalysis (2014), 4(5), 1365-1375, database is CAplus.
A mesoporous SiO2 (SBA-15)-supported bipyridine Ir complex was prepared by grafting of bipyridine onto the SiO2 support, followed by complexation of [Ir(I)(COD)(OMe)]2 precursor in the presence of HBpin and cyclooctene. Structural analyses by x-ray powder diffraction, N physisorption, FTIR, and solid-state NMR spectroscopy demonstrate that the 3-dimensional, hexagonal pore structure of SBA-15 is maintained after the immobilization. In particular, as a heterogeneous catalyst, this SiO2-supported Ir complex shows moderate to good catalytic activity in the aromatic C-H borylation of a variety of substrates. More importantly, the heterogeneous catalyst is recovered easily and reused repeatedly by simple washing without chem. treatment and exhibits good recycling performance with a modest decrease in the catalytic rate, showing good potential for increasing the overall turnover number of this synthetically useful catalyst.
ACS Catalysis published new progress about 408492-29-5. 408492-29-5 belongs to chlorides-buliding-blocks, auxiliary class Chloride,Boronic acid and ester,Benzene,Ester,Boronate Esters,Boronate Esters,Boronic acid and ester,, name is Methyl 3-chloro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate, and the molecular formula is C8H6ClF3, Quality Control of 408492-29-5.
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