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Synlett 1992; 1992(5): 407-409
DOI: 10.1055/s-1992-21361
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Highly Enantioselective Epoxidation of 2,2-Dimethylchromenes

Akira Hatayama* , Naoki Hosoya, Ryo Irie, Yoshio Ito, Tsutomu Katsuki
  • *Department of Chemistry, Faculty of Science, Kyushu University 33, Hakozaki, Higashi-ku, Fukuoka 812, Japan
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Publication Date:
08 March 2002 (online)

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A newly synthesized chiral [bis(salicylidene)ethylenediamine]manganese(III) complex 2a was found to catalyze the epoxidation of 2,2-dimethylchromenes 15-17 with high enantioselectivity (86-92% ee).