KOH-PROMOTED REACTION OF C,O,O-TRIS(TRIMETHYLSILYL) KETENE ACETAL WITH ALDEHYDES: PRACTICAL AND EASY ACCESS TO (E)-α,β-ETHYLENIC CARBOXYLIC ACIDS. - Lensen, Nathalie; Mouelhi, Sinda; Bellassoued, Moncef (Synthetic Communications, 2001)