Directed metallation of tetramic acids:
โ
Raymond C.F. Jones; Graeme E. Peterson
๐
Article
๐
1983
๐
Elsevier Science
๐
French
โ 198 KB
Acyl tetramic acids have been prepared by directed metallation at C-3 of the 4-g-methyl ethers of pyrrolidine-2,4diones, reaction of the vinyl-lithium derivative with aldehydes, and oxidation and hydrolysis of the adducts.