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Dendritic diarylcarbenium ion pools were synthesized by the low temperature electrochemical oxidation of the corresponding dendritic (diarylmethyl)trimethylsilanes, which were prepared by use of the iterative method consisting of electrochemical activation and Friedel–Crafts type coupling. Time-course NMR studies revealed that thermal stability of dendritic diarylcarbenium ions depends both on the...
Palladium(0)-mediated Suzuki-Miyaura cross-coupling of planar chiral (2,6-disubstituted bromobenzene)chromium complexes with o-substituted arylboronic acids in the presence of sodium carbonate under refluxing in aqueous methanol gave stereoselectively axially chiral mono Cr(CO) 3 -complexed biaryls. The axial stereochemistry of the cross-coupling products was found to be largely dependent...
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