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Enantioselective synthesis of nitrocyclopropanes via conjugate addition of bromomalonate to nitroalkenes catalyzed by Ni(II) complexes
- Authors
- Lee, Hyun Joo; Kim, Sun Mi; Kim, Dae Young
- Issue Date
- 4-Jul-2012
- Publisher
- Elsevier BV
- Keywords
- Cyclopropanation; Asymmetric catalysis; Chiral nickel catalysts; Nitroalkenes; Conjugate addition
- Citation
- Tetrahedron Letters, v.53, no.27, pp 3437 - 3439
- Pages
- 3
- Journal Title
- Tetrahedron Letters
- Volume
- 53
- Number
- 27
- Start Page
- 3437
- End Page
- 3439
- ISSN
- 0040-4039
- Abstract
- A novel one-pot methodology for the catalytic enantioselective synthesis of highly functionalized nitrocyclopropanes promoted by chiral nickel complexes is developed. The treatment of bromomalonates with nitroalkenes under the mild reaction conditions afforded the corresponding Michael adducts which cyclizes to controlled reaction conditions with excellent diasteroselectivities (>99 de) and enantioselectivities (up to 99% ee). (C) 2012 Elsevier Ltd. All rights reserved.
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Related Researcher
- Kim, Dae Young
- College of Natural Sciences (Department of Chemistry)