Josiphos SL-J001-1, CAS No. 155806-35-2

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155806-35-2

Catalog No. EBD2156383

CAS 155806-35-2

Name Josiphos SL-J001-1

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Basic Information

Synonyms: (R,S)-JOSIPHOS JosiphosSL-J001-1 (r,r)-1-[1-(dicyclohexylphosphino)ethyl]-2-o-(diphenylphosphino)ferrocene (r)-(s)-josiphos (r)-(-)-1-[(s)-2-(diphenylphosphino)ferrocenyl]ethyldicyclohexylphosphine (r)-1-[(1s)-2-(diphenylphosphino)ferrocenyl]ethyldicyclohexylphosphine (r)1[(1s)2(diphenylphosphino)ferrocenyl]et-dicyclohexylphos (r)-1-[(s)-2-(diphenylphosphino)ferrocenyl] (R)-(-)-1-[(S)-2-Diphenylphosphino)ferrocenyl]ethyldicyclohexylphosphine JosiphosSLJ001-1 1,2,3,4,5-cyclopentanepentayl,compd.with1-[(1R)-1-(dicyclohexylphosphino)ethyl]-2-(diphenylphosphino)-1,2,3,4,5-cyclopentanepentayl,ironsalt(1:1:1) (R)-(-)-1-[(S)-2-(Diphenylphosphino)ferrocenyl]ethyldicyclohexylphosphineethanoladduct

Molecular Formula: C36H44FeP2

Molecular Weight: 594.53

Categories: Synthetic Chemistry > Catalysts and Ligands > Chiral Ligands Synthetic Chemistry > Organometallic Reagents > Other Organometallic Reagents

Product Description:

(R)-(-)-1-[(S)-2-(Diphenylphosphino)ferrocenyl]ethyldicyclohexylphosphine, commonly known as Josiphos-type SL-J009-1 or a related variant, is a prominent member of the Josiphos family of chiral ferrocenyl diphosphine ligands. Its structure features a ferrocene backbone with two distinct phosphine groups—a diphenylphosphino moiety and a dicyclohexylphosphino moiety—arranged in a specific chiral configuration, which is crucial for inducing high enantioselectivity in catalytic reactions. This ligand is extensively employed in asymmetric hydrogenation and other transition metal-catalyzed asymmetric transformations. It is particularly effective in the synthesis of chiral amino acids, pharmaceutical intermediates, and fine chemicals, where it coordinates with metals like rhodium or ruthenium to form highly active and selective catalysts. Its robustness and predictable performance make it a valuable tool in both academic research and industrial process development for producing enantiomerically pure compounds. As a specialized organometallic compound, it requires handling under inert atmosphere due to air sensitivity. Its primary value lies in its role as a precision tool for stereocontrol, rather than as a bulk chemical or a product with a direct end-use application in materials or life sciences.

Physical Properties

Melting Point: ~95 ºC

Analytical Data

Appearance: orange crystalline powder