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Palladium-catalyzed desulfitative cross-coupling reaction of sodium sulfinates with benzyl chlorides.

Palladium-catalyzed desulfitative cross-coupling reaction of sodium sulfinates with benzyl chlorides.

Organic letters (2013-04-06)

Feng Zhao, Qi Tan, Fuhong Xiao, Shufeng Zhang, Guo-Jun Deng

ZUSAMMENFASSUNG

A palladium-catalyzed approach for the synthesis of diarylmethanes from sodium sulfinates and benzyl chlorides is described. Various aromatic sodium sulfinates were used as aryl sources via extrusion of SO2 and gave the diarylmethanes in moderate to good yields.

MATERIALIEN

Produktnummer

Marke

Produktbeschreibung

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Benzylchlorid, ReagentPlus^®, 99%, contains ≤1% propylene oxide as stabilizer

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Schwefeldioxid, ≥99.9%

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Palladium, powder, 99.995% trace metals basis

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Palladium, powder, <1 μm, ≥99.9% trace metals basis

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Palladium, nanopowder, <25 nm particle size (TEM), ≥99.5%

Sigma-Aldrich

Palladium, powder or granules, 99.99% 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, powder, <75 μm, 99.9% trace metals basis

Sigma-Aldrich

Palladium, wire, diam. 0.5 mm, 99.9% trace metals basis

Sigma-Aldrich

Palladium, foil, thickness 1.0 mm, 99.9% trace metals basis

Sigma-Aldrich

Palladium, wire, diam. 1.0 mm, 99.9% trace metals basis

Sigma-Aldrich

Palladium, foil, thickness 0.5 mm, 99.9% trace metals basis

Sigma-Aldrich

Palladium, foil, thickness 0.25 mm, 99.98% trace metals basis

Sigma-Aldrich

Palladium, evaporation slug, diam. × L 0.6 cm × 0.6 cm, 99.95% trace metals basis