Friday, September 30, 2011

Rhodium-catalyzed C–H activation and conjugate addition under mild conditions

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An efficient rhodium III -catalyzed C–H activation and subsequent conjugate addition was achieved under mild conditions. The reaction uti...
Thursday, September 29, 2011

Nickel-catalyzed sp2 C–H bonds arylation of N-aromatic heterocycles with Grignard reagents at room temperature

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A novel protocol for nickel-catalyzed direct sp 2 C–H bond arylation of purines has been developed. This new reaction proceeded efficien...

Efficient and highly selective iron-catalyzed reduction of nitroarenes

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Pyrolysis of iron–phenanthroline complexes supported on carbon leads to highly selective catalysts for the reduction of structurally dive...
Tuesday, September 27, 2011

Palladium-catalysed hydroxylation and alkoxylation

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The formation of oxygen–carbon bonds is one of the fundamental transformations in organic synthesis. In this regard the application of pall...

Transition metal-catalyzed arylation of unactivated C(sp3)–H bonds

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Transition-metal-catalyzed C–H bond arylation has recently emerged as a powerful tool for the functionalization of organic molecules that...
Thursday, September 22, 2011

Pyridinyl Directed Alkenylation with Olefins via Rh(III)-Catalyzed C–C Bond Cleavage of Secondary Arylmethanols

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Zhang-Jie Shi, JACS 2011

C–H Arylation of Pyridines: High Regioselectivity as a Consequence of the Electronic Character of C–H Bonds and Heteroarene Ring

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p Dalibor Sames, JACS, 2011.

Carboxylic Acids as Traceless Directing Groups for Formal meta-Selective Direct Arylation

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Dr. Igor Larrosa, 2011, Angew Chem Int Ed.
Friday, September 16, 2011

Palladium(II)-Catalyzed Selective Monofluorination of Benzoic Acids Using a Practical Auxiliary: A Weak-Coordination Approach

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Finally, a choice! A highly selective palladium(II)-catalyzed ortho -monofluorination reaction has been achieved for the first time ...
Thursday, September 8, 2011

Copper-Mediated Cyanation of Aryl Halide with the Combined Cyanide Source

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A simple copper-mediated cyanation of aryl halide with the combination of ammonium bicarbonate and  N,N -dimethylformamide as a cyanide ...

Aryl Trihydroxyborate Salts: Thermally Unstable Species with Unusual Gelation Abilities

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A series of aryl trihydroxyborate salts were synthesized and found to form gels in benzene. The compounds were thermally unstable and ...

Nickel-Catalyzed Chelation-Assisted Transformations Involving Ortho C–H Bond Activation

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Although the pioneering example of ortho metalation involving cleavage of C–H bonds was achieved using a nickel complex (Kleiman, J. P...
Tuesday, September 6, 2011

Rhodium-catalyzed direct ortho C–H olefination of phenol derivatives

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Cationic rhodium complex-catalyzed olefination of phenol derivatives for the direct introduction of an α,β-unsaturated ester appenda...

Regiocontrolled aerobic oxidative coupling of indoles and benzene using Pd catalysts with 4,5-diazafluorene ligands

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Palladium-catalyzed aerobic oxidative cross-couplings of indoles and benzene have been achieved by using 4,5-diazafluorene derivativ...

Synthesis of Phenanthridinones from N-Methoxybenzamides and Arenes by Multiple Palladium-Catalyzed C[BOND]H Activation Steps at Room Temperature

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