Dichotomy in the Reactivity of Trivalent Phosphorus Compounds Z
<sub>3</sub>
P (Z = Ph,
<i>n</i>
Bu, OR) Observed in the Photoreaction with a Ruthenium Complex
Solutions of tris(2,2′-bipyridyl)ruthenium(II) dichloride (Ru2+) and various types of trivalentphosphoruscompounds Z3P (Z = Ph, n-Bu, OR; 1) in methanol have been photolyzed with visible light at 20 °C under an argon atmosphere, resulting in the oxidation of 1 to the corresponding pentavalent oxo compounds Z3PO and ligand exchange of Ru2+ with 1. The former process takes place via single-electron
We report herein a practically simple visible-light photocatalytic approach for the synthesis of a large variety of phosphate esters through the combination of N-alkoxypyridinium salts and phosphites under mild conditions. The scope of the reaction is broad and the protocol was successfully applied to the synthesis of biologically relevant structures. Quantum yield measurements, as well as EPR experiments
than the unfluorinated parent compounds. A key factor governing the boiling point of a fluorinated phosphoryl compound relative to its hydrocarbon analogue is not its molecular weight, but the position and number of fluorine atoms in the ester linkage(s). Molecules with an umbrella of fluorine atoms repel each other, leading to low intermolecular forces: the boilingpoints of (C3F7CH2O)3PO and (C3H7CH2O)3PO