Journal of Organic Chemistry p. 5313 - 5317 (1989)
Update date:2022-08-16
Topics:
Petrier, Christian
Luche, Jean-Louis
Lavaitte, Stephane
Morat, Claude
The system Zn-NiCl2-H2O is used for conjugate reduction of methyl cinnamate under stirring and ultrasonic irradiation.It appears that in both cases the three steps metallic nickel formation on the zinc surface, hydrogen gas formation by nickel-assisted zinc reduction of water, and catalytic olefin reduction with molecular hydrogen on the nickel-activated zinc surface constitute the main reaction pathways.Deuteration of the substrate is achieved by substitution of deuterium oxide for water, and better results are observed in the stirred reaction.Scanning electronmicrographs of the catalyst show that ultrasonic irradiation has cleaned the surface of the particles.
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Doi:10.1039/f19898500121
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