1-(2-Fluorophenyl)-3-(2,4,6-trimethoxyphenyl)prop-2-en-1-one

Tethered ruthenium-TsDPEN complexes have been applied to the catalysis of the asymmetric transfer hydrogenation of a range of aryl/acetylenic ketones. The introduction of an ortho- substituent to the aryl ring of the substrate results in a reversal of the enantioselectivity, while the introduction of two o-fluoro substituents results in an improvement to the reduction enantioselectivity, as does the replacement of a phenyl ring on the alkyne with a trimethylsilyl group. These effects are rationalized as resulting from a change in the steric properties of the aryl ring and the electronic properties of the alkyne which, when matched in the reduction transition state, combine within a "window" of substrate/catalyst matching to generate products of high ee.

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1-(2-Fluorophenyl)-3-(2,4,6-trimethoxyphenyl)prop-2-en-1-one

Cited by 2 publications

References 3 publications

Characterization of the structural, spectroscopic, nonlinear optical, electronic properties and antioxidant activity of the N-{4’-[(E)-3-(Fluorophenyl)-1-(phenyl)-prop-2-en-1-one]}-acetamide

Characterization of the structural, spectroscopic, nonlinear optical, electronic properties and antioxidant activity of the N-{4’-[(E)-3-(Fluorophenyl)-1-(phenyl)-prop-2-en-1-one]}-acetamide

Combining Electronic and Steric Effects To Generate Hindered Propargylic Alcohols in High Enantiomeric Excess

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