tert-Butyl 3-Carboxyethyl-3-phosphonodiethylpropionate. A Novel Reagent for Stobbe-Like Condensations

Abstract
Tert-Butyl-3-carboxyethyl-3-phosphonodiethylpropionate was prepared and reacted with a range of aldehydes to give, after hydrolysis, itaconic half esters.