Dialkylphosphinobenzoic acids and some of their derivatives

Article abstract of DOI:10.1007/BF00922806

1. The m- and p-diethyl-, and the m- and p-diisopropylphosphinylbenzoic acids, and their ethyl esters were synthesized by the oxidation of the corresponding dialkyltolylphosphine oxides with potassium permanganate and subsequent esterification of the form