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Palladium and organocatalysis: an excellent recipe for asymmetric synthesis.

Molecules (Basel, Switzerland) (2013-08-27)
M Angeles Fernández-Ibañez, Beatriz Maciá, Diego A Alonso, Isidro M Pastor
ABSTRACT

The dual activation of simple substrates by the combination of organocatalysis and palladium catalysis has been successfully applied in a variety of different asymmetric transformations. Thus, the asymmetric a-allylation of carbonyl compounds, a-fluorination of acyl derivatives, decarboxylative protonation of β-dicarbonyl compounds, cyclization reactions of alkynyl carbonyl compounds and β-functionalization of aldehydes have been efficiently achieved employing this double-catalytic methodology.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Palladium, powder, <1 μm, ≥99.9% trace metals basis
Sigma-Aldrich
Palladium, powder, 99.995% trace metals basis
Sigma-Aldrich
Palladium black, surface area 40-60 m2/g, 99.95% trace metals basis
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Palladium, granular, 99.99% trace metals basis
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Palladium, wire, diam. 0.5 mm, 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, sponge, 99.9% trace metals basis
Sigma-Aldrich
Palladium, foil, thickness 0.5 mm, 99.9% trace metals basis
Sigma-Aldrich
Palladium, foil, thickness 0.05 mm, 99.9% trace metals basis
Palladium, foil, 50x50mm, thickness 0.1mm, as rolled, 99.95%
Palladium, foil, 50x50mm, thickness 0.25mm, as rolled, 99.95%
Palladium, foil, light tested, 25x25mm, thickness 0.006mm, 99.95%
Palladium, foil, light tested, 25x25mm, thickness 0.025mm, as rolled, 99.95%
Palladium, foil, light tested, 25x25mm, thickness 0.025mm, as rolled, 99.99+%
Palladium, foil, light tested, 25x25mm, thickness 0.03mm, as rolled, 99.95%
Palladium, foil, light tested, 25x25mm, thickness 0.047mm, as rolled, 99.95%
Palladium, foil, light tested, 25x25mm, thickness 0.075mm, as rolled, 99.95%
Palladium, foil, light tested, 50x50mm, thickness 0.025mm, as rolled, 99.99+%
Palladium, foil, light tested, 50x50mm, thickness 0.03mm, as rolled, 99.95%
Palladium, foil, light tested, 50x50mm, thickness 0.047mm, as rolled, 99.95%
Palladium, foil, light tested, 50x50mm, thickness 0.075mm, as rolled, 99.95%
Palladium, foil, not light tested, 100x100mm, thickness 0.004mm, 99.95%
Palladium, foil, not light tested, 100x100mm, thickness 0.005mm, 99.95%
Palladium, foil, not light tested, 100x100mm, thickness 0.006mm, 99.95%
Palladium, foil, not light tested, 100x100mm, thickness 0.008mm, 99.95%
Palladium, foil, not light tested, 100x100mm, thickness 0.0125mm, 99.95%
Palladium, foil, not light tested, 100x100mm, thickness 0.025mm, as rolled, 99.95%
Palladium, foil, not light tested, 100x100mm, thickness 0.02mm, as rolled, 99.95%
Palladium, foil, not light tested, 100x100mm, thickness 0.03mm, as rolled, 99.95%