MSE PRO 4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene (Xantphos), 98% Purity

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MSE PRO™ 4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene (Xantphos), 98% Purity

MSE PRO™ 4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene (Xantphos) is a versatile organophosphorus compound derived from xanthene, commonly utilized as a bidentate ligand due to its exceptionally wide bite angle. The ligand is valuable in the hydroformylation of alkenes, among other applications such as the coupling of heteroarylamines and aryl halides, Pd-catalyzed carbonylation reaction of aryl bromides and amines, Pd/Cu-catalyzed direct arylation of heteroarenes.

MSE Supplies offers various catalysts and ligands of coupling reaction. Please contact us for customization or bulk orders.

Technical Specifications:

CAS No.	161265-03-8
EINECS No.	605-249-4
Chemical name	4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene
Synonym(s)	Xantphos 9,9-dimethyl-4,5-bis(diphenylphosphino)xanthene
Molecular formula	C₃₉H₃₂OP₂
Pack size	5 g (CM1312); 10 g (CM1313); 25 g (CM1314)
Molecular weight	578.6 g/mol
Purity	98 %
Melting point	224-228 °C(lit.)
Solubility	Soluble in organic solvents
Appearance	White or light yellow solid
Storage	Keep in dark place, sealed in dry, room temperature

References:

[1] Kamer, P. C., van Leeuwen, P. W., & Reek, J. N. (2001). Wide bite angle diphosphines: Xantphos ligands in transition metal complexes and catalysis. Accounts of chemical research, 34(11), 895-904.

[2] van Leeuwen, P. W., & Kamer, P. C. (2018). Featuring Xantphos. Catalysis Science & Technology, 8(1), 26-113.