What is the (1R,1'R,2S,2'S)-DUANPHOS?

(1R,1'R,2S,2'S)-DUANPHOS is , while it's Molecular Formula is C24H32P2. Chiral Quest Phosphine Ligands for Asymmetric HydrogenationCatalytic ligand used for:Stereoselective synthesis of cyano-substituted dihydropyrroles by annulation of cyanoallenesRhodium-catalyzed intermolecular enantioselective hydroacylation of alkynes to give alpha- and beta-substituted unsaturated ketones by kinetic resolutionStereoselective preparation of ß-amino nitriles via rhodium-catalyzed asymmetric hydrogenation of amino acrylonitrilesStereoselective preparation of anti-1,3-amino alcohols via rhodium-catalyzed asymmetric hydrogenation of ß-ketoenamide intermediatesStereoselective preparation of acetylaminoindane via rhodium-catalyzed asymmetric hydrogenation of acetylaminoindene

What is the CAS number for (1R,1'R,2S,2'S)-DUANPHOS?

The CAS number of (1R,1'R,2S,2'S)-DUANPHOS is 528814-26-8.

What is (1R,1'R,2S,2'S)-DUANPHOS (528814-26-8) used for?

(1R,1'R,2S,2'S)-DUANPHOS, also known as DuanPhos, is an electron-rich chiral phosphine ligand that is primarily utilized in the field of transition metal catalyzed asymmetric hydrogenation. It is characterized by its unique structure, which allows for high stereoselectivity in various chemical reactions.InChI:InChI=1/C24H32P2/c1-23(2,3)25-15-17-11-7-9-13-19(17)21(25)22-20-14-10-8-12-18(20)16-26(22)24(4,5)6/h7-14,21-22H,15-16H2,1-6H3/t21-,22?,25?,26?/m1/s1

What is the (1R,1'R,2S,2'S)-DUANPHOS?

(1R,1'R,2S,2'S)-DUANPHOS is , while it's Molecular Formula is C24H32P2. Chiral Quest Phosphine Ligands for Asymmetric HydrogenationCatalytic ligand used for:Stereoselective synthesis of cyano-substituted dihydropyrroles by annulation of cyanoallenesRhodium-catalyzed intermolecular enantioselective hydroacylation of alkynes to give alpha- and beta-substituted unsaturated ketones by kinetic resolutionStereoselective preparation of β-amino nitriles via rhodium-catalyzed asymmetric hydrogenation of amino acrylonitrilesStereoselective preparation of anti-1,3-amino alcohols via rhodium-catalyzed asymmetric hydrogenation of β-ketoenamide intermediatesStereoselective preparation of acetylaminoindane via rhodium-catalyzed asymmetric hydrogenation of acetylaminoindene

What is the CAS number for (1R,1'R,2S,2'S)-DUANPHOS?

The CAS number of (1R,1'R,2S,2'S)-DUANPHOS is 528814-26-8.

What is (1R,1'R,2S,2'S)-DUANPHOS (528814-26-8) used for?

(1R,1'R,2S,2'S)-DUANPHOS, also known as DuanPhos, is an electron-rich chiral phosphine ligand that is primarily utilized in the field of transition metal catalyzed asymmetric hydrogenation. It is characterized by its unique structure, which allows for high stereoselectivity in various chemical reactions.InChI:InChI=1/C24H32P2/c1-23(2,3)25-15-17-11-7-9-13-19(17)21(25)22-20-14-10-8-12-18(20)16-26(22)24(4,5)6/h7-14,21-22H,15-16H2,1-6H3/t21-,22?,25?,26?/m1/s1

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(1R,1'R,2S,2'S)-DUANPHOS

CAS No.: 528814-26-8
Purity: 99%

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Molecular Formula: C24H32P2
Molecular Weight: 382.46
Vapor Pressure: 0mmHg at 25°C
Melting Point: 214-246 °C
Boiling Point: 474.52°C at 760 mmHg
Flash Point: 255.314°C
PSA： 27.18000
LogP: 8.05700

(1R,1'R,2S,2'S)-DUANPHOS(Cas 528814-26-8) Usage

Reactions	As a highly electron-donating and conformationally rigid ligand, the rhodium complex of DuanPhos has exhibited remarkably high enantioselectivities and reactivities for the hydrogenation of a variety of functionalized olefins. Rhodium/DUANPHOS catalyst used in the synthesis of 2-trifluoromethyl lactic acid by asymmetric hydroformylation.
General Description	(1R,1′R,2S,2′S)-DuanPhos is an electron-rich chiral phosphine ligand mainly for transition metal catalyzed asymmetric hydrogenation.

InChI:InChI=1/C24H32P2/c1-23(2,3)25-15-17-11-7-9-13-19(17)21(25)22-20-14-10-8-12-18(20)16-26(22)24(4,5)6/h7-14,21-22H,15-16H2,1-6H3/t21-,22?,25?,26?/m1/s1

528814-26-8 Relevant articles

Practical P-chiral phosphane ligand for Rh-catalyzed asymmetric hydrogenation

Liu, Duan,Zhang, Xumu

, p. 646 - 649 (2007/10/03)

A highly electron-donating and conformat...

528814-26-8 Process route

: 795289-53-1
(+)-2,2'-di-tert-butyl-1,3,1',3'-tetrahydro-[1,1']biisophosphindolyl 2,2'-dioxide

: 528814-26-8
(Rc,Sp)-DuanPhos

Conditions

Conditions	Yield
With TEA; trichlorosilane; In toluene; at 70 ℃; for 16h;	89%

: 795289-52-0
(-)-2,2'-di-tert-butyl-1,3,1',3'-tetrahydro-[1,1']biisophosphindolyl 2,2'-dioxide

: 528814-26-8
(Sc,Rp)-DuanPhos

Conditions

Conditions	Yield
With TEA; trichlorosilane; In toluene; at 70 ℃; for 16h;

528814-26-8 Upstream products

795289-52-0
(-)-2,2'-di-tert-butyl-1,3,1',3'-tetrahydro-[1,1']biisophosphindolyl 2,2'-dioxide
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1,5-dihydro-benzo[e ][1,3,2]dioxathiepine
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phthalyl alcohol
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2-tert-butyl-1,3-dihydro-isophosphindole 2-oxide