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Synlett 2001; 2001(1): 0114-0116
DOI: 10.1055/s-2001-9733
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Intramolecular Asymmetric Cyclopropanation with (Nitroso)(salen)ruthenium(II) Complexes as Catalysts

Biswajit Saha* , Tatsuya Uchida, Tsutomu Katsuki
  • *Department of Chemistry, Faculty of Science, Graduate School, Kyushu University 22, Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan; Fax +81 92 642 2607
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Publication Date:
31 December 2001 (online)

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Intramolecular cyclopropanation of (E)-2-alkenyl-α-diazoacetates was carried out with good to high enantioselectivity by using (nitroso)(salen)ruthenium(II) complexes as catalysts under photo-irradiation.

intramolecular asymmetric cyclopropanation - γ-lactone - (salen)ruthenium complex