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Catalytic behavior of wool–Pt complex in asymmetric hydrogenation of ketones by Guo-Li Yuan; Mao-Ya Yin; Mei-Yu Huang; Ying-Yan Jiang is a Materials Science article available to read on EtoBox.

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A wool±Pt complex was prepared by the reaction of wool with chloroplatinic acid in ethanol solution, and was found to be useful as a chiral catalyst for the asymmetric hydrogenation of some ketones to corresponding chiral alcohols, such as 3-methyl-2-butanone to (R)-3-methyl-2-butanol, 4-methyl-2-pentanone to (R)-4-methyl-2pentanol, acetophenone to (R)-1-phenylethanol and propiophenone to (R)-1-phenyl-1-propanol at 30 °C and under an atmospheric hydrogen pressure. In the case of hydrogenation of 3-methyl-2-butanone to (R)-3-methyl-2-butanol, when a proper content of Pt in the wool±Pt complex was selected, the yield and optical yield amounted to about 100% respectively, and the wool±Pt complex catalyst could be reused without any change in the optical catalytic activity. Wool is a very cheap natural bio-polymer ligand, and Wool±Pt complex is very easy to prepare, and it is a very active, enantioselective and stable chiral catalyst for asymmetric hydrogenation of some ketones.

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Author

Guo-Li Yuan; Mao-Ya Yin; Mei-Yu Huang; Ying-Yan Jiang

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 1042-7147)

Published

1999

Language

EN

Field

Materials Science (Physical Sciences)