71338-72-2Relevant academic research and scientific papers
Rhodium-catalysed alkoxycarbonylative cyclisation reactions of 1,6-enynes
Ziyanak, Firat,Kus, Melih,Artok, Levent
experimental part, p. 897 - 902 (2011/06/22)
The rhodium-catalysed carbonylation of 1,6-enynes possessing an electron-deficient alkenyl moiety in an alcohol reagent in the presence of a rhodium complex proceeded stereo- and chemoselectively to afford exocyclic α,β-enoates.
Stereoselective synthesis of Z-α-aryl-α,β-unsaturated esters
Mani, Neelakandha S.,Mapes, Christopher M.,Wu, Jiejun,Deng, Xiaohu,Jones, Todd K.
, p. 5039 - 5042 (2007/10/03)
An efficient method for the stereoselective synthesis of (Z)-α-arylacrylates is described. Treatment of α-hydroxyesters with triflic anhydride and pyridine at 0 °C followed by warming to room temperature afforded the corresponding (Z)-α-aryl-α,β- unsatura
From Stoichiometry to Catalysis: Electroreductive Coupling of Alkynes and Carbon Dioxide with Nickel-Bipyridine Complexes. Magnesium Ions as the Key for Catalysis
Derien, Sylvie,Dunach, Elisabet,Perichon, Jacques
, p. 8447 - 8454 (2007/10/02)
The incorporation of carbon dioxide into nonactivated alkynes catalyzed by electrogenerated nickel-bipyridine complexes affords α,β-unsaturated acids in moderate to good yields.The electrocarboxylation reaction was undertaken on a preparative scale in the presence of a sacrificial magnesium anode: the formation of acids from alkynes is stoichiometric with respect to the nickel complex if performed in a two-compartment cell but can be made catalytic in a single-compartment cell.An intermediate nickelacycle was isolated from the reaction with 4-octyne.The cleavage ofthis metallacycle by magnesium ions is the key step to explain catalysis.
