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[{W(O)(O 2 ) 2 (H 2 O)} 2 (μ‐O)] 2– ‐Catalyzed Epoxidation of Allylic Alcohols in Water with High Selectivity and Utilization of Hydrogen Peroxide
Author(s) -
Kamata Keigo,
Yamaguchi Kazuya,
Hikichi Shiro,
Mizuno Noritaka
Publication year - 2003
Publication title -
advanced synthesis and catalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.541
H-Index - 155
eISSN - 1615-4169
pISSN - 1615-4150
DOI - 10.1002/adsc.200303123
Subject(s) - allylic rearrangement , chemistry , catalysis , stereospecificity , hydrogen peroxide , selectivity , solvent , medicinal chemistry , organic chemistry
A dinuclear peroxotungstate, K 2 [{W(O)(O 2 ) 2 (H 2 O)} 2 (μ‐O)]⋅2 H 2 O, exhibits high catalytic performance for the epoxidation of various allylic alcohols with only one equivalent of hydrogen peroxide at 305 K in water solvent. The effectiveness of this system is evidenced by high chemo‐, regio‐, and diastereoselectivity, and stereospecificity for the epoxidation of allylic alcohols. Furthermore, products/catalyst separation can be easily carried out by simple extraction and the catalyst recovered can be reused with the maintenance of the catalytic performance.