(1R,1'R,2S,2'S)-DUANPHOS Three Chongqing Chemdad Co. ，Ltd

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

CAS No.：528814-26-8

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

Product Name:	(1R,1'R,2S,2'S)-DUANPHOS
Synonyms:	(1R,1'R,2S,2'S)-2,2'-Bis(1,1-dimethylethyl)-2,2',3,3'-tetrahydro-1,1'-bi-1H-isophosphindole,99%e.e.;(1R,1'R,2S,2'S)- 2,2'-bis(1,1-diMethylethyl)-2,2',3,3'-tetrahydro-1,1'-Bi-1H-isophosphindole;(1R,1'R,2S,2'S)-(+)-2,2'-Di-t-butyl-2,3,2',3'-tetrahydro-1,1'-bi-1H-isophosphindole (R,R,S,S)-DUANPHOS;RcSp-DuanPhos;1,1'-Bi-1H-isophosphindole, 2,2'-bis(1,1-dimethylethyl)-2,2',3,3'-tetrahydro-, (1R,1'R,2S,2'S)-;(1R,1'R,2S,2'S)-2,2'-di-tert-butyl-2,2',3,3'-tetrahydro-1H,1'H-1,1'-biisophosphindole
CAS:	528814-26-8
MF:	C24H32P2
MW:	382.46
EINECS:
Product Categories:
Mol File:	528814-26-8.mol

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

Melting point	214-246 °C
alpha	+19.5
Boiling point	474.5±45.0 °C(Predicted)
form	crystal
color	white
optical activity	[α]20/D +18°, c = 1 in chloroform
Sensitive	air sensitive
CAS DataBase Reference	528814-26-8

Safety Information

WGK Germany

MSDS Information

(1R,1'R,2S,2'S)-DUANPHOS Usage And Synthesis

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.
Uses	Chiral Quest Phosphine Ligands for Asymmetric HydrogenationCatalytic ligand used for: Stereoselective synthesis of cyano-substituted dihydropyrroles by annulation of cyanoallenes Rhodium-catalyzed intermolecular enantioselective hydroacylation of alkynes to give alpha- and beta-substituted unsaturated ketones by kinetic resolution Stereoselective preparation of β-amino nitriles via rhodium-catalyzed asymmetric hydrogenation of amino acrylonitriles Stereoselective preparation of anti-1,3-amino alcohols via rhodium-catalyzed asymmetric hydrogenation of β-ketoenamide intermediates Stereoselective preparation of acetylaminoindane via rhodium-catalyzed asymmetric hydrogenation of acetylaminoindene
General Description	(1R,1′R,2S,2′S)-DuanPhos is an electron-rich chiral phosphine ligand mainly for transition metal catalyzed asymmetric hydrogenation.

(1R,1'R,2S,2'S)-DUANPHOS Preparation Products And Raw materials

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