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Synfacts 2009(9): 0991-0991  
DOI: 10.1055/s-0029-1217627
Metal-Catalyzed Asymmetric Synthesis and Stereoselective Reactions
© Georg Thieme Verlag Stuttgart ˙ New York

Co-Salen Complexes Catalyzed Kinetic Resolution of Terminal Epoxides

Contributor(s): Hisashi Yamamoto, Cheol Hong Cheon
R. I. Kureshy*, K. J. Prathap, S. Agrawal, M. Kumar, N. H. Khan, S. H. R. Abdi, H. C. Bajaj
Council of Scientific & Industrial Research (CSIR), Gujarat, India
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Publikationsdatum:
21. August 2009 (online)

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Significance

The authors have synthesized a ­series of chiral cobalt-salen complexes and used them as catalysts in the aminolytic kinetic resolution (AKR) of terminal epoxides with Boc-protected amine in the presence of an ionic liquid. Boc-protected 1,2-amino alcohols were obtained with excellent enantioselectivities. The catalyst is recyclable in this ionic liquid mediated process with no loss of its performance.