... 109. Centre de St-Jérôme, Rue Poincaré, 13397 Marseille Cedex 13 - France. Received 21 May 1984, Available online 9 March 2001. Abstract. Conjugate addition of silyl enol ethers to ethylenic acyl cyanides leads to δ-keto-acids or methyl esthers after hydrolysis or methanolis of reaction products. Références. 1; D. El-Abed, A. Jellal, M. Santelli; Tetrahedron Lett., 25 (1984), p. 1463 ref. citées. ...