2‐[2‐(Diphenylphosphanyl)ethyl]pyridine (pyphos)

[10150-27-3] C19H18NP (MW 291.33) InChI = 1S/C19H18NP/c1-3-10-18(11-4-1)21(19-12-5-2-6-13-19)16-14-17-9-7-8-15-20-17/h1-13,15H,14,16H2 InChIKey = ARSGXAZDYSTSKI-UHFFFAOYSA-N (ligand used in transition metal mediated reactions) Physical Data:  mp 58–62 °C. Solubility: soluble in most organic solvents. From Supplied in: white to tan solid, available from select catalog suppliers. Preparative Methods: most commonly prepared by the reaction of 2-vinylpyridine and diphenylphosphine in the presence of acid,1 base,2 or transition metal3 catalysts. Purification: chromatography or crystallization from alcohol-water mixtures. Handling, Storage, and Precautions: to prevent oxidation material should be stored and handled under nitrogen.