Catalytic behavior of silica‐supported chitosan‐platinum‐iron complex for asymmetric hydrogenation of ketones | Zendy

Wei WeiLin | Zendy; Hao ShaoJie | Zendy; Zhou Jian | Zendy; Huang MeiYu | Zendy; Jiang YingYan | Zendy

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Catalytic behavior of silica‐supported chitosan‐platinum‐iron complex for asymmetric hydrogenation of ketones

Author(s) -

Wei WeiLin,

Hao ShaoJie,

Zhou Jian,

Huang MeiYu,

Jiang YingYan

Publication year - 2004

Publication title -

polymers for advanced technologies

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.61

H-Index - 90

eISSN - 1099-1581

pISSN - 1042-7147

DOI - 10.1002/pat.438

Subject(s) - catalysis , chitosan , platinum , materials science , nuclear chemistry , asymmetric hydrogenation , polymer chemistry , organic chemistry , chemistry , enantioselective synthesis

Silica‐supported chitosan‐platinum‐iron complex (SiO 2 ‐CS‐Pt‐Fe) is prepared by a simple method from silica, chitosan, H 2 PtCl 6 · 6H 2 O and FeCl 3 . It has been found to be an effective chiral catalyst for the asymmetric hydrogenation of 2‐hexanone to give ( S )‐(+)‐2‐hexanol and methyl acetoacetate to give methyl‐( S )‐(+)‐3‐hydroxybutyrate in 85.4 and 75.0% optical yields, respectively, if a proper content of Pt and Fe in SiO 2 ‐CS‐Pt‐Fe complex and appropriate reaction conditions are selected at room temperature and under 1 atm H 2 . The catalyst could be reused several times without any remarkable change in optical catalytic activity. Copyright © 2004 John Wiley & Sons, Ltd.

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