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High-valent organometallic copper and palladium in catalysis.

Nature (2012-04-14)
Amanda J Hickman, Melanie S Sanford
ABSTRACT

Copper and palladium catalysts are critically important in numerous commercial chemical processes. Improvements in the activity, selectivity and scope of these catalysts could drastically reduce the environmental impact, and increase the sustainability, of chemical reactions. One rapidly developing strategy for achieving these goals is to use 'high-valent' organometallic copper and palladium intermediates in catalysis. Here we describe recent advances involving both the fundamental chemistry and the applications of these high-valent metal complexes in numerous synthetically useful catalytic transformations.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Palladium, nanopowder, <25 nm particle size (TEM), ≥99.5%
Sigma-Aldrich
Palladium, foil, thickness 0.5 mm, 99.9% trace metals basis
Sigma-Aldrich
Palladium, powder, <75 μm, 99.9% trace metals basis
Sigma-Aldrich
Palladium, powder or granules, 99.99% trace metals basis
Sigma-Aldrich
Palladium, powder, 99.995% trace metals basis
Sigma-Aldrich
Palladium, foil, thickness 1.0 mm, 99.9% trace metals basis
Sigma-Aldrich
Palladium, foil, thickness 0.25 mm, 99.98% trace metals basis
Sigma-Aldrich
Palladium, wire, diam. 0.5 mm, 99.9% trace metals basis
Sigma-Aldrich
Palladium, sponge, 99.9% trace metals basis
Sigma-Aldrich
Palladium, wire, diam. 1.0 mm, 99.9% trace metals basis
Sigma-Aldrich
Palladium, foil, thickness 0.025 mm, 99.9% trace metals basis
Sigma-Aldrich
Palladium, evaporation slug, diam. × L 0.6 cm × 0.6 cm, 99.95% trace metals basis
Sigma-Aldrich
Palladium, powder, <1 μm, ≥99.9% trace metals basis
Palladium, foil, light tested, 100x100mm, thickness 0.025mm, as rolled, 99.99+%
Palladium, foil, light tested, 100x100mm, thickness 0.075mm, as rolled, 99.95%
Palladium, foil, 8mm disks, thickness 0.50mm, as rolled, 99.95%
Palladium, foil, 8mm disks, thickness 0.25mm, as rolled, 99.95%
Palladium, foil, not light tested, 25x25mm, thickness 0.006mm, 99.95%
Palladium, foil, not light tested, 100x100mm, thickness 0.025mm, as rolled, 99.99+%
Palladium, foil, not light tested, 25x25mm, thickness 0.00075mm, permanent polyester support, 99.75%
Palladium, foil, not light tested, 25x25mm, thickness 0.025mm, as rolled, 99.99+%
Palladium, foil, light tested, 100x100mm, thickness 0.025mm, as rolled, 99.95%
Palladium, foil, light tested, 100x100mm, thickness 0.047mm, as rolled, 99.95%
Palladium, foil, 4mm disks, thickness 0.0125mm, 99.95%
Palladium, foil, 15mm disks, thickness 0.006mm, 99.95%
Palladium, foil, 50x50mm, thickness 0.1mm, as rolled, 99.99+%
Palladium, foil, 4mm disks, thickness 0.047mm, as rolled, 99.95%
Palladium, foil, 15mm disks, thickness 0.02mm, as rolled, 99.95%
Palladium, foil, 0.5m coil, thickness 0.1mm, coil width 2mm, as rolled, 99.95%
Palladium, foil, 25mm disks, thickness 0.025mm, as rolled, 99.99+%