… -tributylammonium formate reagent in the stereoselective hydrogenation, and stereo-and regioselective hydroarylation of alkyl 4-hydroxy-2-alkynoates: a route to …
…, E Bernocchi, A Burini, S Cacchi, F Marinelli, B Pietroni
The reaction of aryl iodides with alkyl 4-hydroxy-2-alkynoates in the presence of formic acid, tri-n-butylamine and a palladium (II) catalyst provides a convenient route to functionalized substituted butenolides through a one pot hydroarylation/cyclization reaction. In the presence of formic acid, tri-n-butylamine and a palladium (II) catalyst, alkyl 4-hydroxy-2- alkynoates undergo a one pot hydrogenation/cyclization reaction to the butenolide ring. ...