- Ligands for practical rhodium-catalyzed asymmetric hydroformylation.
Ligands for practical rhodium-catalyzed asymmetric hydroformylation.
Accounts of chemical research (2007-11-14)
Jerzy Klosin, Clark R Landis
PMID17997526
ABSTRACT
A series of bis-phosphite and bis-phosphine ligands for asymmetric hydroformylation reactions has been evaluated. Bis-phosphite ligands lead, in general, to high regioselectivities across a range of substrates while good enantioselectivities are limited to only a few examples. We found that bis-phospholane-type ligands, such as bis-diazaphospholanes and bis-phospholanes, can lead to very high regio- and enantioselectivities for several different substrates.
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Rhodium, foil, not light tested, 50x50mm, thickness 0.00075mm, permanent polyester support, 99.85%
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Rhodium, wire reel, 0.2m, diameter 0.25mm, hard, 99.9%
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Rhodium, foil, 25x25mm, thickness 0.125mm, as rolled, 99.9%
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Rhodium, foil, 25x25mm, thickness 0.1mm, as rolled, 99.9%
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Rhodium, foil, light tested, 25x25mm, thickness 0.05mm, as rolled, 99.9%
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Rhodium, wire reel, 0.2m, diameter 0.5mm, as drawn, 99.9%
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Rhodium, foil, 25x25mm, thickness 0.15mm, as rolled, 99.9%
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Rhodium, foil, not light tested, 25x25mm, thickness 0.0005mm, permanent polyester support, 99.85%
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Rhodium, foil, not light tested, 25x25mm, thickness 0.00075mm, permanent polyester support, 99.85%
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Rhodium, wire reel, 0.5m, diameter 0.25mm, hard, 99.9%
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Rhodium, microfoil, disks, 10mm, thinness 0.50μm, specific density 620μg/cm2, permanent mylar 3.5μm support, 99.99%
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Rhodium, wire reel, 0.05m, diameter 1.0mm, as drawn, 99.9%
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Rhodium, wire reel, 0.1m, diameter 0.25mm, hard, 99.9%
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Rhodium, wire reel, 0.1m, diameter 0.5mm, as drawn, 99.9%
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Rhodium, wire reel, 0.1m, diameter 1.0mm, as drawn, 99.9%
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Rhodium, foil, light tested, 15x15mm, thickness 0.05mm, as rolled, 99.9%
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Rhodium, foil, not light tested, 25x25mm, thickness 0.006mm, as rolled, 99.9%
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Rhodium, foil, not light tested, 50x50mm, thickness 0.001mm, permanent polyester support, 99.85%
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Rhodium, microfoil, disks, 25mm, thinness 0.1μm, specific density 124μg/cm2, permanent mylar 3.5μm support, 99.9%
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Rhodium, foil, not light tested, 25x25mm, thickness 0.012mm, as rolled, 99.9%
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Rhodium, foil, not light tested, 50x50mm, thickness 0.00025mm, permanent polyester support, 99.9%
Pricing and availability is not currently available.
Rhodium, microfoil, disks, 10mm, thinness 0.1μm, specific density 124μg/cm2, permanent mylar 3.5μm support, 99.9%
Pricing and availability is not currently available.
Rhodium, wire reel, 0.5m, diameter 0.12mm, as drawn, 99.9%
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Rhodium, wire reel, 0.05m, diameter 0.12mm, as drawn, 99.9%
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Rhodium, wire reel, 0.2m, diameter 0.12mm, as drawn, 99.9%
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Rhodium, foil, light tested, 25x25mm, thickness 0.075mm, as rolled, 99.9%
Pricing and availability is not currently available.
Rhodium, foil, not light tested, 25x25mm, thickness 0.001mm, permanent polyester support, 99.85%
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Rhodium, wire reel, 0.05m, diameter 0.5mm, as drawn, 99.9%
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