Elemental white phosphorus as a radical trap: a new and general route to phosphonic acids

Barton, Derek H. R.Zhu, Jieping2010-11-252010-11-252010-11-25199310.1021/ja00058a082https://infoscience.epfl.ch/handle/20.500.14299/58579White phosphorus is a very efficient trap for carbon radicals generated by white light photolysis of Barton PTOC esters using CH2Cl2-CS2 as solvent at 0 Deg under dry argon. Removal of the solvent mixt. and oxidn. with H2O2 in 1,2-dimethoxyethane provides an efficient new synthesis of phosphonic acids, where this function replaces the carboxyl in the original carboxylic acid. [on SciFinder (R)]Radicals Role: RCT (Reactant)RACT (Reactant or reagent) (trapping ofby white phosphorus)white phosphorus radical trapping; phosphonic acid prepnElemental white phosphorus as a radical trap: a new and general route to phosphonic acidstext::journal::journal article::research article