Epoxidation of Styrenes Catalyzed by Titanium(Salan) Complexes

K. Matsumoto; T. Oguma; T. Katsuki

doi:10.1055/s-0029-1218244

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Synfacts 2009(12): 1370-1370
DOI: 10.1055/s-0029-1218244

Metal-Catalyzed Asymmetric Synthesis and Stereoselective Reactions

Epoxidation of Styrenes Catalyzed by Titanium(Salan) Complexes

Contributor(s): Mark Lautens, Jacki Kitching
K. Matsumoto, T. Oguma, T. Katsuki*
Kyushu University, Fukuoka, Japan

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Publikationsdatum:
20. November 2009 (online)

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Significance

Epoxidation of alkenes remains an area of intense interest in spite of the many advances seen in past decades. A key is to find simpler conditions (such as H₂O₂ rather than organic peroxides) and broader substrate scope. In this report, novel proline-derived C ₁-symmetric salan ligands were prepared and successfully applied to the enantioselective titanium-catalyzed epoxidation of styrenes.