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Bidentate carbenoid ester coordination in ruthenium(II) Schiff-base complexes leading to excellent levels of diastereo- and enantioselectivity in catalytic alkene cyclopropanation
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UNSPECIFIED (2001) Bidentate carbenoid ester coordination in ruthenium(II) Schiff-base complexes leading to excellent levels of diastereo- and enantioselectivity in catalytic alkene cyclopropanation. CHEMICAL COMMUNICATIONS (17). pp. 1638-1639. ISSN 1359-7345.
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Abstract
Exceptionally high stereoselectivity (ee less than or equal to 98%, dr less than or equal to 99:1) in the cyclopropanation of alkenes with ethyl diazoacetate using a non-planar ruthenium(II) Schiff-base precatalyst is a result of eta C-2,O binding of the carbenoid ester intermediate, according to DFT calculations.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QD Chemistry | ||||
Journal or Publication Title: | CHEMICAL COMMUNICATIONS | ||||
Publisher: | ROYAL SOC CHEMISTRY | ||||
ISSN: | 1359-7345 | ||||
Official Date: | 7 September 2001 | ||||
Dates: |
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Number: | 17 | ||||
Number of Pages: | 2 | ||||
Page Range: | pp. 1638-1639 | ||||
Publication Status: | Published |
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